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Safety Valve Suppliers in KSA | Flanged safety relief valves, API and ISO-certified safety valves, Industry-standard safety valves
Looking for Safety Valve Suppliers in KSA, or a Safety Relief Valve Supplier In Saudi Arabia more generally? This guide connects you with verified Safety Valves Manufacturers in Saudi Arabia offering bronze, stainless steel and industrial safety valves, pilot operated and bellow safety valves, and flanged safety relief valves, alongside wider Pressure Relief Valves in Saudi stock. Whether you need an Industrial safety valve suppliers in ksa option for a steam boiler, a Wcb / Cf8 / Cf8m Oilfield Safety Valves Saudi Arabia unit for an oilfield installation, or a simple 1/2" Pressure Relief Valve / Safety Valve for an electric water heater, the profiles below cover named products from ARI, HERZ and dedicated SFV model lines, with nominal size, DN range and pressure-protection duty to help you order the right valve first time.
Compare API and ISO-certified safety valves, 50 mm Petrochemical Safety Valves Saudi Arabia options and Safety valve suppliers in ksa khobar before you buy, and use the Safety Valve price guide below to budget. Every Safety Valve Suppliers in KSA listing here is based in the Eastern Province (Al Khobar, Dammam and Ras Tannurah), close to Saudi Arabia's main oil, gas and petrochemical industrial base.
Buy Bronze, Stainless Steel & Industrial Safety Valves from Saudi Suppliers
Before Choosing a Safety Valve
✓ Valve Function: A safety valve automatically releases pressure from a boiler, pressure vessel or pipeline once it exceeds a set threshold, protecting equipment and personnel from overpressure damage or failure — it is a critical, code-governed safety device, not a general-purpose isolation valve.
✓ Valve Type: Spring loaded safety valves are the standard choice for steam and pressure vessel duty; pilot operated safety valves suit high-pressure applications needing tight, precise set-point control; bellow safety valves add back-pressure protection for demanding process lines; steam safety valves are purpose-rated for boiler and steam pipeline protection.
✓ Body Material: Bronze suits smaller, lower-pressure water and general pressure equipment; stainless steel resists corrosion for thermal and chemically aggressive duty; WCB, CF8 and CF8M cast steel and stainless grades are the standard for oilfield safety valves handling higher-pressure hydrocarbon service.
✓ Connection Type: Threaded connections suit small pressure equipment like 1/2 in water heater valves; flanged connections suit larger industrial piping systems and are typically required wherever a valve needs to be removed for inspection, testing or recertification.
✓ Nominal Size: Sizes on this page range from 1/2 in (small pressure equipment and compact systems) up to DN350 / 8 in (high-capacity industrial and process systems) — see the Safety Valve Sizes table below for the size that matches your application.
✓ Certification: Look for API and ISO-certified, industry-standard valves for any application governed by a recognized code, and confirm the exact certificate and set-pressure test report the supplier can provide before ordering for a critical safety application.
✓ Application: High Pressure Steam Boilers And Pressure Vessels, Industrial Steam Pipelines And Process Equipment, Air Compressors And Compressed Air Systems, Oil And Gas Pressure Protection, Chemical And Petrochemical Processing Equipment, Hot Water And Thermal Oil Systems.
✓ What to Send With Your Enquiry: Nominal size or DN, connection type (threaded/flanged), body material, required set pressure, the medium (steam/liquid/gas/thermal oil) and any required certification (API, ISO) — this lets a supplier confirm the exact matching valve.
✓ Buyer's Tip: A safety valve is a life-safety and asset-protection device, so never substitute a smaller or lower-rated valve to save cost, and never skip requesting the set-pressure certificate. Undersizing or under-rating a safety valve is the single most consequential mistake in this category, unlike most other pipeline fittings.
Shop Spring Loaded, Pilot Operated & Bellow Safety Valves from Saudi Suppliers and Dealers
Match Your System to the Right Safety Valve — Before You Read Anything Else
| If You Need… | You Need a… | Available From |
|---|---|---|
| A branded ARI-type safety valve for an industrial piping system | SAFE Safety Valve ARI | Valves Technical Trading EST – +966 56 003 0674 |
| A pilot operated valve for a high-pressure oilfield or process line, DN25–DN300 | Pilot Operated Safety Valve, DN25 To DN300 | Middle East Valve – +966 53 431 8975 |
| A small bronze valve for a 1/2 in electric water heater | Bottm Safety Valve, 1/2 Inch For Electric Water Heater | Yaqoot Arabia Trading Company (yatco) – +966 56 573 1662 |
| A stainless steel valve for a thermal oil or corrosive system | Stainless Steel Thermal Safety Valve | Mahill Trading Corporation – +966 13 830 3696 |
| A large manufactured safety valve for a high-capacity industrial system, up to DN350 | Pressure Safety Valve, DN15 To DN350 | Pan Gulf Valves Manufacturing Company LTD – +966 13 867 0444 |
| A bellow-type valve for back-pressure protection on a demanding process line | Bellow Safety Valve, DN25 To DN200 | Middle East Valve – +966 53 431 8975 |
Verified Safety Valve Suppliers in KSA – Eastern Province Suppliers
Valves Technical Trading EST — Branded ARI & HERZ Safety Valve Supplier in Al Khobar
AL KHOBAR · ARI, HERZ & branded industrial safety valve stockist
Phone: +966 56 003 0674 | Address: Al Khobar, KSA
Safety Valve Products They Offer
- SAFE Safety Valve ARI — Branded industrial safety valve line associated with the ARI-Armaturen safety and pressure relief valve range.
- Herz Safety Valve, Item Code I 0132 — Branded HERZ safety valve, item code I 0132.
- Safety Valve, Item Code I 0132 — General safety valve line under the same item code; contact directly to confirm brand and specification.
Price Range
SAR 300–3,500 / piece for branded ARI and HERZ safety valves, depending on nominal size and pressure rating
Why Choose Valves Technical Trading EST
- Brand Focus: Dedicated stockist of named ARI and HERZ branded safety valve lines, useful for spec-matched replacement orders.
- Coverage Area: Based in Al Khobar, in Saudi Arabia's Eastern Province industrial belt.
- Contact: Single mobile order line — +966 56 003 0674.
- Industries Served: Industrial Piping, Process Plants, General Valve Trading.
Middle East Valve — Pilot Operated, Steam & Bellow Safety Valve Supplier in Ras Tannurah / Dammam
RAS TANNURAH · DAMMAM · High-pressure & steam safety valve stockist
Phone: +966 53 431 8975 | Address: Building No-6515, Ameer Mohammad Bin Abdulaziz Street, Ad Danah District, Ras Tannurah / Dammam, KSA
Safety Valve Products They Offer
- Pilot Operated Safety Valve, DN25 To DN300 — A precisely controlled, high-pressure-rated valve design suited to oilfield and high-pressure process applications requiring tight set-point accuracy.
- Steam Safety Valve, DN15 To DN200 — Purpose-rated for boiler and steam pipeline protection across a wide DN15–DN200 range.
- Bellow Safety Valve, DN25 To DN200 — Bellows-sealed design adding back-pressure protection for demanding process line duty.
Price Range
SAR 5,000–40,000 / piece for pilot operated valves, DN25–DN300 | SAR 800–12,000 / piece for steam safety valves, DN15–DN200 | SAR 2,500–15,000 / piece for bellow safety valves, DN25–DN200, depending on size
Why Choose Middle East Valve
- Location: Based in Ras Tannurah, home to major Saudi Aramco refining and export operations, and a natural first call for Wcb / Cf8 / Cf8m Oilfield Safety Valves Saudi Arabia enquiries.
- Technical Depth: The only supplier on this page confirmed to stock a named pilot operated and a named bellow safety valve, both advanced designs for demanding duty.
- Contact: Single mobile order line — +966 53 431 8975.
- Industries Served: Oil & Gas, Refining, High-Pressure Process Plants.
Yaqoot Arabia Trading Company (yatco) — Bronze & Small-Bore Safety Valve Supplier in Dammam
DAMMAM · Dallah Industrial (Al Khair Industrial) · Bronze & water-heater safety valve stockist
Phone: +966 56 573 1662 | Address: Abu Bakr Al Razi Street, Near Dhahran Jubail Highway, Dallah Industrial (Al Khair Industrial), Dammam, KSA
Safety Valve Products They Offer
- Bronze Safety Valve, Model B 05 — Bronze-bodied safety valve suited to smaller, lower-pressure water and general pressure equipment.
- Bronze Safety Valve — General bronze safety valve line; contact directly for current size range.
- Top Safety Valve, 1/2 Inch — Compact 1/2 in valve for small pressure equipment.
- Bottm Safety Valve, 1/2 Inch For Electric Water Heater — A 1/2 in bottom-mount valve specifically sized for electric water heater installations.
Price Range
SAR 150–450 / piece for 1/2 in bronze and water-heater safety valves, depending on set pressure and model
Why Choose Yaqoot Arabia Trading Company (yatco)
- Small-Bore Specialist: Focused on compact 1/2 in and bronze safety valves suited to water heaters and small pressure equipment.
- Coverage Area: Based in Dammam's Dallah Industrial (Al Khair Industrial) area, near the Dhahran-Jubail Highway.
- Contact: Single mobile order line — +966 56 573 1662.
- Industries Served: Water Heating, Small Pressure Equipment, General Trading.
Mahill Trading Corporation — SFV-Series & Stainless Steel Safety Valve Supplier in Dammam
DAMMAM · King Saud Street · SFV model line & thermal safety valve stockist
Phone: +966 13 830 3696 | Address: Suite 207, Al Akariyah Building, King Saud Street, Dammam, KSA
Safety Valve Products They Offer
- Safety Valve, Model SFV-01 — First model in the SFV series; contact directly for the current size and pressure rating.
- Safety Valve, Model SFV-02 — Second model in the SFV series; contact directly for the current size and pressure rating.
- Stainless Steel Thermal Safety Valve — Stainless-bodied valve suited to hot water and thermal oil systems where corrosion resistance matters.
Price Range
SAR 400–2,800 / piece for the SFV-01 and SFV-02 model lines | SAR 500–3,500 / piece for the Stainless Steel Thermal Safety Valve, depending on size
Why Choose Mahill Trading Corporation
- Model Range: Stocks a dedicated house SFV model line alongside a stainless thermal-duty option.
- Coverage Area: Based in Dammam's King Saud Street.
- Contact: Single landline order line — +966 13 830 3696.
- Industries Served: Thermal Oil Systems, Hot Water Systems, General Industrial.
Pan Gulf Valves Manufacturing Company LTD — Full-Range Safety Valve Manufacturer in Dammam
DAMMAM · 2nd Industrial City · Manufacturer · 0.75 to 16 in / DN15 to DN350 safety valve range
Phone: +966 13 867 0444 | Address: Dammam 2nd Industrial City, Dammam, KSA
Safety Valve Products They Offer
- Industrial Safety Valves, 0.75 to 16 in — One of the widest nominal size ranges on this page, spanning small process connections up to large 16 in high-capacity industrial duty.
- Pressure Safety Valve, DN15 To DN350 — A full-range flagship line covering DN15 (small pressure equipment) up to DN350 (high-capacity industrial and process systems).
- Safety Valve — General manufactured safety valve line; contact directly for current size and material options.
Price Range
SAR 300–900 / piece for small 0.75–1 in valves up to SAR 15,000–35,000+ / piece for the largest 12–16 in / DN300–DN350 valves in this manufacturer's range
Why Choose Pan Gulf Valves Manufacturing Company LTD
- Manufacturer Status: Produces its own safety valve range in-house rather than reselling only, covering the widest size span (0.75–16 in / DN15–DN350) confirmed on this page.
- Coverage Area: Based in Dammam's 2nd Industrial City.
- Contact: Single landline order line — +966 13 867 0444.
- Industries Served: Industrial Process Plants, Boilers, High-Capacity Systems.
- Note: A strong first call for Top Safety Valve Suppliers & Manufacturers in KSA and Safety Valves Manufacturers in Saudi Arabia enquiries needing the largest sizes.
Safety Valve Price Comparison Table
Approximate per-piece Safety Valve price across the main product lines actual pricing depends heavily on nominal size, set pressure and certification, so confirm current rates directly with each supplier for bulk or project orders:
| Product / Brand | Approx. Price (SAR / piece) | Available From |
|---|---|---|
| Top Safety Valve, 1/2 Inch | 150–350 | Yaqoot Arabia Trading Company (yatco) – +966 56 573 1662 |
| Bottm Safety Valve, 1/2 Inch, Water Heater | 150–450 | Yaqoot Arabia Trading Company (yatco) – +966 56 573 1662 |
| Bronze Safety Valve, B 05 | 200–500 | Yaqoot Arabia Trading Company (yatco) – +966 56 573 1662 |
| SAFE Safety Valve ARI | 300–3,500 | Valves Technical Trading EST – +966 56 003 0674 |
| Herz Safety Valve, I 0132 | 350–3,000 | Valves Technical Trading EST – +966 56 003 0674 |
| Safety Valve, SFV-01 / SFV-02 | 400–2,800 | Mahill Trading Corporation – +966 13 830 3696 |
| Stainless Steel Thermal Safety Valve | 500–3,500 | Mahill Trading Corporation – +966 13 830 3696 |
| Steam Safety Valve, DN15–DN200 | 800–12,000 | Middle East Valve – +966 53 431 8975 |
| Bellow Safety Valve, DN25–DN200 | 2,500–15,000 | Middle East Valve – +966 53 431 8975 |
| Industrial Safety Valves, 0.75–16 in | 300–35,000 | Pan Gulf Valves Manufacturing Company LTD – +966 13 867 0444 |
| Pressure Safety Valve, DN15–DN350 | 300–35,000 | Pan Gulf Valves Manufacturing Company LTD – +966 13 867 0444 |
| Pilot Operated Safety Valve, DN25–DN300 | 5,000–40,000 | Middle East Valve – +966 53 431 8975 |
Note: These are indicative single-piece Safety Valve price figures based on typical market rates across each product's size range, and are not confirmed supplier price-list figures — safety valve pricing rises sharply with nominal size, pressure rating and certification, so always request an official quote and set-pressure certificate for your exact requirement.
Safety Valve Sizes in Saudi Arabia
Nominal size and the applications each size band commonly covers:
| Nominal Size | Common Applications |
|---|---|
| 1/2 Inch | Small pressure equipment and compact systems |
| 3/4 Inch | Small boilers and process equipment |
| 1 Inch | Industrial piping and pressure vessels |
| 1 1/2 Inch | Steam and process applications |
| 2 Inch | Boilers, pipelines and pressure vessels |
| 2 1/2 Inch | Industrial steam and process systems |
| 3 Inch | Large steam and pressure systems |
| 4 Inch | Boilers, process plants and high-flow applications |
| 6 Inch | Large industrial pressure and steam systems |
| 8 Inch | High-capacity industrial and process systems |
Safety Valve Brands
Established international brands commonly available in this category, and the safety valve types typically associated with each:
| Brand | Commonly Available Safety Valve Types |
|---|---|
| Spirax Sarco | Steam Safety Valves, Pressure Relief Valves |
| LESER | Safety Valves, Pressure Relief Valves |
| Baker Hughes Consolidated | Safety Relief Valves, Pressure Relief Valves |
| Anderson Greenwood | Safety Valves, Pressure Relief Valves |
| Kunkle | Safety Relief Valves |
| ARI-Armaturen | Safety Valves, Pressure Relief Valves |
| BESA | Safety Valves |
| IMI Bopp & Reuther | Safety Valves, Pressure Relief Valves |
Note: This brand list reflects internationally recognized safety valve manufacturers commonly referenced in the Saudi market; it doesn't confirm which specific brand each supplier profiled above currently stocks — ask the supplier directly if you need a specific brand match, such as the ARI and HERZ lines carried by Valves Technical Trading EST.
Which Safety Valve Type Do You Actually Need?
Safety Valve Types range from a small threaded fitting to a large pilot-operated industrial unit — match your need to the closest format:
- Spring Loaded Safety Valve: the standard choice for steam and pressure vessel applications, opening automatically once pressure exceeds the spring's set point.
- Pressure Relief Safety Valve: general-purpose overpressure protection for industrial pressure systems.
- Pilot Operated Safety Valve: precise, tight set-point control for high pressure applications.
- Steam Safety Valve: purpose-rated for boiler and steam pipeline protection.
- Safety Relief Valve: covers both liquid and gas applications where either overpressure protection function is needed.
- Flanged Safety Valve: bolted connection suited to industrial piping systems and larger nominal sizes.
- Threaded Safety Valve: suited to small pressure equipment like water heaters and compact systems.
- Stainless Steel Safety Valve: corrosion resistance for aggressive or chemically demanding applications.
- High Pressure Safety Valve: rated specifically for boilers and pressure vessels operating at elevated pressure.
Safety Valve Applications
Match your specific job to the right safety valve, each tied to a specific in-stock product:
Safety Valve For High Pressure Steam Boiler And Pressure Vessel
Steam Safety Valve, DN15 To DN200
Type: Steam-Rated | Size Range: DN15–DN200
Function: Purpose-rated for high-pressure steam boiler and pressure vessel protection across a wide DN range.
Available From: Middle East Valve — +966 53 431 8975
Safety Valve For Industrial Steam Pipeline And Process Equipment
Industrial Safety Valves, 0.75 to 16 in
Type: Industrial, Manufactured Range | Size Range: 0.75–16 in
Function: A broad manufactured size range covering both smaller process connections and large industrial steam pipeline duty.
Available From: Pan Gulf Valves Manufacturing Company LTD — +966 13 867 0444
Safety Valve For Air Compressor And Compressed Air Systems
Bronze Safety Valve, B 05
Type: Bronze | Size: Small-to-mid bore
Function: A compact, lower-pressure-duty valve suited to compressed air systems and general pressure equipment.
Available From: Yaqoot Arabia Trading Company (yatco) — +966 56 573 1662
Safety Valve For Oil And Gas Pressure Protection
Pilot Operated Safety Valve, DN25 To DN300
Type: Pilot Operated | Size Range: DN25–DN300
Function: Precise, tight set-point control suited to oil and gas pressure protection on higher-pressure hydrocarbon service.
Available From: Middle East Valve — +966 53 431 8975
Safety Valve For Chemical And Petrochemical Processing Equipment
Bellow Safety Valve, DN25 To DN200
Type: Bellows-Sealed | Size Range: DN25–DN200
Function: Bellows design adds back-pressure protection, well suited to chemical and petrochemical processing equipment with variable back-pressure conditions.
Available From: Middle East Valve — +966 53 431 8975
Safety Valve For Hot Water And Thermal Oil Systems
Stainless Steel Thermal Safety Valve
Type: Stainless Steel, Thermal-Rated
Function: Corrosion-resistant stainless construction suited to hot water and thermal oil system protection.
Available From: Mahill Trading Corporation — +966 13 830 3696
Safety Valve Types
A closer look at each safety valve type, matched to a specific in-stock product where one is available:
Spring Loaded Safety Valve For Steam And Pressure Vessel Applications
SAFE Safety Valve ARI
Type: Spring Loaded | Brand: ARI
Function: The standard spring-loaded mechanism opens automatically once system pressure exceeds the set point, protecting steam and pressure vessel equipment.
Available From: Valves Technical Trading EST — +966 56 003 0674
Pressure Relief Safety Valve For Industrial Pressure Systems
Pressure Safety Valve, DN15 To DN350
Type: Pressure Relief | Size Range: DN15–DN350
Function: A flagship manufactured line covering small pressure equipment up to high-capacity industrial and process systems.
Available From: Pan Gulf Valves Manufacturing Company LTD — +966 13 867 0444
Pilot Operated Safety Valve For High Pressure Applications
Pilot Operated Safety Valve, DN25 To DN300
Type: Pilot Operated | Size Range: DN25–DN300
Function: A precisely controlled design giving tight set-point accuracy for demanding high-pressure applications.
Available From: Middle East Valve — +966 53 431 8975
Steam Safety Valve For Boiler And Steam Pipeline Protection
Steam Safety Valve, DN15 To DN200
Type: Steam-Rated | Size Range: DN15–DN200
Function: Purpose-built for boiler and steam pipeline protection duty.
Available From: Middle East Valve — +966 53 431 8975
Safety Relief Valve For Liquid And Gas Applications
Safety Valve, Model SFV-01 / SFV-02
Type: Safety Relief
Function: A general-purpose safety relief line suited to both liquid and gas pressure-protection duty.
Available From: Mahill Trading Corporation — +966 13 830 3696
Flanged Safety Valve For Industrial Piping Systems
Herz Safety Valve, I 0132
Type: Flanged, Industrial | Brand: HERZ
Function: Bolted flanged connection suited to larger industrial piping systems and easy removal for inspection or recertification.
Available From: Valves Technical Trading EST — +966 56 003 0674
Threaded Safety Valve For Small Pressure Equipment
Bottm Safety Valve, 1/2 Inch For Electric Water Heater
Type: Threaded | Size: 1/2 in
Function: Sized specifically for small pressure equipment like electric water heaters.
Available From: Yaqoot Arabia Trading Company (yatco) — +966 56 573 1662
Stainless Steel Safety Valve For Corrosive Applications
Stainless Steel Thermal Safety Valve
Type: Stainless Steel
Function: Corrosion resistance suited to thermal and chemically aggressive applications.
Available From: Mahill Trading Corporation — +966 13 830 3696
High Pressure Safety Valve For Boilers And Pressure Vessels
Industrial Safety Valves, 0.75 to 16 in
Type: High Pressure, Industrial Range | Size Range: 0.75–16 in
Function: A manufactured range built to protect boilers and pressure vessels across the widest size span on this page.
Available From: Pan Gulf Valves Manufacturing Company LTD — +966 13 867 0444
Frequently Asked Questions
Where can I find Safety Valve Suppliers in KSA?
The Safety Valve Suppliers in KSA listed on this page are based in Saudi Arabia's Eastern Province — Al Khobar, Dammam and Ras Tannurah — covering bronze, stainless steel, spring loaded, pilot operated and bellow safety valves. Compare their specializations above to find the closest match for your application.
Who are the Top Safety Valve Suppliers & Manufacturers in KSA?
Based on manufacturer status, product depth and coverage, the notable Safety Valve Suppliers & Manufacturers in KSA on this page include Pan Gulf Valves Manufacturing Company LTD (a direct manufacturer covering the widest 0.75–16 in / DN15–DN350 size range), Middle East Valve (pilot operated, steam and bellow safety valve specialist near Saudi Aramco's Ras Tannurah operations), and Valves Technical Trading EST, Yaqoot Arabia Trading Company (yatco) and Mahill Trading Corporation as additional branded and model-specific suppliers.
What is the Safety Valve price in KSA?
Safety Valve price depends heavily on nominal size, pressure rating and design. Small 1/2 in bronze and water-heater valves typically run roughly SAR 150–500, mid-size branded and SFV-series valves run roughly SAR 300–3,500, and large steam, bellow or pilot operated valves (DN25–DN350) can run from SAR 2,500 up to SAR 40,000 or more — see the Safety Valve Price Comparison Table above for a full product-by-product breakdown.
Are there Flanged safety relief valves and API and ISO-certified safety valves available?
Flanged options are available among the products profiled here, including the Herz Safety Valve (I 0132) and the larger DN-rated industrial lines from Pan Gulf Valves Manufacturing Company LTD and Middle East Valve. This source does not confirm which specific models carry current API or ISO certification — always request the exact certificate and set-pressure test report directly from the supplier before ordering for a certified application.
Where can I find Wcb / Cf8 / Cf8m Oilfield Safety Valves Saudi Arabia and 50 mm Petrochemical Safety Valves Saudi Arabia?
Middle East Valve, based in Ras Tannurah near Saudi Aramco's major refining and export operations, is the strongest starting point for WCB/CF8/CF8M oilfield-grade safety valves with its Pilot Operated (DN25–DN300) and Bellow (DN25–DN200) ranges. A 50 mm (roughly 2 in) petrochemical safety valve falls within the DN15–DN200 and DN25–DN300 ranges carried by Middle East Valve and the 0.75–16 in / DN15–DN350 range from Pan Gulf Valves Manufacturing Company LTD — confirm the exact body material grade (WCB, CF8 or CF8M) directly with the supplier.
Is there a Safety valve supplier in ksa khobar?
Yes — Valves Technical Trading EST is based directly in Al Khobar and stocks the ARI and HERZ branded safety valve lines.
Is there a 1/2" Pressure Relief Valve / Safety Valve for a water heater?
Yes — Yaqoot Arabia Trading Company (yatco) stocks both the Top Safety Valve (1/2 Inch) and the Bottm Safety Valve (1/2 Inch For Electric Water Heater), both sized specifically for small pressure equipment and water heater installations.
Which valve brands are commonly available for safety and pressure relief duty?
Commonly referenced international safety valve brands in the Saudi market include Spirax Sarco, LESER, Baker Hughes Consolidated, Anderson Greenwood, Kunkle, ARI-Armaturen, BESA and IMI Bopp & Reuther — see the Safety Valve Brands table above for the valve types each typically offers, and confirm directly with a supplier which brands they currently stock.