Tel:
(973)340-9955
sales@straval.com
Adjustable Pressure Relief Valves

Natural Gas Relief Valves

Stra-Val designs and manufactures its own line of Natural Gas Relief Valves. If you are looking for high quality performing Adjustable Pressure Relief Valves, you have come to the right place! Our Pressure Relief Valves are manufactured out of stainless steel (316 or 303) or exotic alloys (Titanium, Alloy 20, Monel or Hastelloy), depending on your requirements.


We have a wide selection of Natural Gas Relief Valves, you can choose from. We strive to provide you with HIGH QUALITY products and UNBEATABLE prices! You can count on Straval, to satisfy your needs!


If you need assistance, please don't be afraid to contact us. You can reach us by using the contact form. If you desire, you can give us a call at (973)340-9955 or at our toll free number 1(888)380-9660.

Npt threaded connections High Pressure Relief Valve

RVC-05-Npt

High press, high flow 1/4-3" Npt

    • Stainless Steel model (Monel, Hastelloy, Titanium, and Alloy 20 model also available)
    • 1/4"-3" NPT Threaded D (1/2"-4" flanged; see flanged model RVC05-150FLG, RVC05-300FLG, RVC05-600FLG)
    • Pressure ratings to 5000 PSI (340 Bar) for specific spring ranges, see pricing pages below)
Select size
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600# Flange Alloy Pressure Relief Valve

RVC05-600 FLG-EX

ANSI 600 RF Flanged

    •  Monel, Hastelloy, Titanium, or Alloy 20
    • 1/2"-4" flanged (see also threaded high pressure relief Valve [model RVC-05-EX] )
    • Adjustable relief pressures from 25 PSI (1.7 Bar) to 1400 PSI (97 Bar) at 200 °F (93 °C)
Select size
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600# Flange Alloy Pressure Relief Valve

RVC05-600 FLG

ANSI 600 RF Flanged

    • Stainless Steel (Click Here for Monel, Hastelloy, Titanium, and Alloy 20 Model)
    • 1/2"-4" flanged (see also threaded high pressure relief Valve [model RVC-05] )
    • Adjustable relief pressures from 25 PSI (1.7 Bar) to 1400 PSI (97 Bar) at 200 °F (93 °C)
Select size
VIEW
600#Flange Pressure Relief Valve

RVC05-300 FLG-EX

ANSI 300# RF Flanged

    • Monel, Hastelloy, Titanium, or Alloy 20 (Click Here To Find The Stainless Steel Model)
    • 1/2"-4" flanged (see also threaded NPT model RVC-05 )
    • Adjustable relief pressures from 25 PSI (1.7 Bar) to 700 PSI (48 Bar) at 300 °F (150 °C)
Select size
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300# Flange Pressure Relief Valve

RVC05-300 FLG

ANSI 300# RF Flanged

    • Stainless Steel (Monel, Hastelloy, Titanium, and Alloy 20Model is Found On This Page)
    • 1/2"-4" flanged (See also threaded NPT model RVC-05)
    • Adjustable relief pressures from 25 PSI (1.7 Bar) to 700 PSI (48 Bar) at 300 °F (150 °C)
Select size
VIEW
150# Flange Alloy Pressure Relief Valve

RVC05-150 FLG-EX

ANSI 150# RF Flanged Hastelloy, Monel, Titanium

    • Hastelloy C276, Monel, Titanium, Alloy 20 (Stainless Steel model can be found here)
    • 1/2"-4" flanged (see also threaded NPT model RVC-05               
    • Adjustable relief pressures from 30 PSI (2 Bar) to 275 PSI (19 Bar) at 100 °F (38 °C)
Select size
VIEW
150# Flange Pressure Relief Valve

RVC05-150 FLG

ANSI 150# RF Flanged

    • Stainless steel model (Monel, Hastelloy, Titanium, or Alloy 20 model available)
    • 1/2"-4" flanged (See also threaded NPT model RVC-05)        
    • Adjustable relief pressures from 30 PSI (2 Bar) to 275 PSI (19 Bar) at 100 °F (38 °C)
Select size
VIEW
ALloy In-Line Relief Valve

RVi-05-EX

Hastelloy, Monel, Titanium, Alloy20 In-Line Relief

    • Hastelloy, Monel, Titanium, Alloy20 (Stainless Steel Model can be found here)
    • 1/4"-3" NPT THD
    • Adjustable relief pressures from 0.5 PSI (~0.03 Bar) to 400 PSI (~27 Bar)*

    *1/4" size only

Select size
VIEW
In-Line Relief Valve

RVi-05

In-Line, small flow, 1/4-3" Npt

    *1/4" size only

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Npt threaded Alloy High Pressure Relief Valve

RVC-05-EX

High press, high flow 1/4-3" Npt

    • Wetted Materials: Hastelloy C276, Monel, Titanium, Alloy 20  (Stainless Steel model available here)
    • 1/4"-3" NPT Threaded (1/2"-4" flanged; see flanged model RVC05-150FLG-EX, RVC05-300FLG, RVC05-600FLG)
    • Pressure ratings to 5000 PSI (340 Bar) for specific spring ranges, see pricing pages below)
Select size
VIEW
3 Port Pressure Relief Valve

RVT-05

Thru Flow, bot outlet, 1/4-2" Npt (See also RVC05)

    • Comes in Stainless Steel or Brass( Hastelloy C276, Monel, Titanium, Alloy 20 model is located here)
    • 1/4"-2" NPT THD (1/2"-2" flanged)
    • Adjustable relief pressures from 45 PSI (3 Bar) to 2000 PSI (138 Bar)
    • Approximate spring ranges (PSI): 25-60, 50-125, 75-300, 250-750, 400-2000
Select size
VIEW
Alloy Pressure Diaphragm Relief Valve

RVL20-EX

Exotic Alloys: Right Angle ports & low pressure

    • Hastelloy, Titanium, Monel or Alloy 20 body
    • 1/4"-2" NPT THD (Not all materials available in all sizes, See pricing pages)
    • Accurate relief pressures from 0.50 PSI (0.03 Bar) to 75 PSI (5 Bar)
    • Adjustable pressures in multiple spring ranges (See pricing table below)

     

Select size
VIEW
Low Pressure Diaphragm Relief Valve

RVL-20

Right Angle ports , low press, 1/4-2" Npt

    • Stainless Steel and more ( Plastic model is here & Hastelloy, Titanium, Monel Alloy 20 here)
    • 1/4"-2" NPT THD (Not all materials available in all sizes, See pricing pages)
    • Accurate relief pressures from 0.50 PSI (0.03 Bar) to 75 PSI (5 Bar)
    • Adjustable pressures in multiple spring ranges (See pricing table below)

     

Select size
VIEW
atmospheric discharge relief valve

RVA-05-EX

Atmosph disch, low flow, 1/8-3" Npt

    • Order as Hastelloy Valve, Titanium Valve or Monel Valve. (Stainless Steel valve Available Here)
    • 1/4"-3" NPT THD
    • Adjustable relief pressures from 0.5 PSI (0.03 Bar) to 400 PSI (27 Bar)* (multiple springs)
    • Tamper proof design, requires valve to be removed to readjust
Select size
VIEW
economy stainless steel relief valve

RVA-05

Atmosph disch, low flow, 1/8-3" Npt

    • Order as Stainless Steel valve, Hastelloy Valve, Titanium Valve & some sizes in Brass (For Exotic Alloy Model Click Here)
    • 1/8"-3" NPT THD
    • Adjustable relief pressures from 0.5 PSI (0.03 Bar) to 400 PSI (27 Bar)* (multiple springs)
    • Tamper proof design, requires valve to be removed to readjust
Select size
VIEW
Low Pressure Diapgragm Relief Valve

RVi-20-EX

Exotic: In-Line, low press, 1/8-2" Npt

    •  Hastelloy, titanium, Alloy20,and Monel
    • 1/8"-1 1/4" NPT THD  (For larger models see RVL-20-EX (Not all materials available in all sizes, See pricing pages)
    • Accurate relief pressures from 0.50 PSI (0.03 Bar) to 75 PSI (5 Bar)
    • Adjustable pressure in multiple spring ranges (See pricing table below)
Select size
VIEW
Low Pressure Relief Valve

RVi-20

In-Line, low press, 1/8-2" Npt

    • Stainless Steel & Plastic depending of size ( Pastic Relief Valve can be found here and Hastelloy, titanium, Alloy20, Monel here)
    • 1/8"-1 1/4" NPT THD  (For larger models see RVL-20) (Not all materials available in all sizes, See pricing pages)
    • Accurate relief pressures from 0.50 PSI (0.03 Bar) to 75 PSI (5 Bar)
    • Adjustable pressure in multiple spring ranges (See pricing table below)
Select size
VIEW
Inline Relief Valve

RVH-05i

Piston type, small orifice, 1/4"-1" Npt

    • Piston operated
    • 1/4"-1" NPT THD (larger sizes can be made available)
    • Orifice sizes 0.047-0.25 inch (1.2-6.4 mm) 
    • Control/Relief pressures up to 4500 PSI (320 Bar) with multiple spring ranges (see table below)
    • Materials: 303 & 316 Stainless Steel
Select size
VIEW
3 port Alloy Relief Valve

RVT-05-EX

Thru Flow, bot outlet:Hastelloy, Monel, Titanium

    • Hastelloy C276, Monel, Titanium, Alloy 20 ( Stainless Steel model located here)
    • 1/4"-2" NPT THD (also 1/2"-2" flanged)
    • Adjustable relief pressures from 45 PSI (3 Bar) to 2000 PSI (138 Bar)
    • Approximate spring ranges (PSI): 25-60, 50-125, 75-300, 250-750, 400-2000
Select size
VIEW