Safety Relief Valves Series : SRV027

Safety Relief Valves
Series : SRV027

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Relief Valves

Safety Relief Valve

Series : SRV027

DAWSONS-TECH® Safety Relief Valves Series : SRV027 have been very carefully designed and manufacture for High Pressure Applications.

Features / Benefits :

Available in Material SS316.
Identifying Coloured Springs for each pressure range.
Replaceable Springs for variable pressure range.
Every Valve is pressure tested.
Available with Seal Material Viton® as Standard.

Operations

The Poppet of Safety Relief Valves opens when the system pressure overcome the set cracking pressure.
The Poppet of Safety Relief Valves closes when the system pressure goes below the set cracking pressure.
To increase the cracking pressure of the Safety Relief Valves, simply tighten the adjustment cap clockwise.
To decrease the cracking pressure of the Safety Relief Valves, simple open the adjustment cap anti-clockwise.

Operating Parameters

Pressure Rating : UPTO 413 Bar (6000 PSIG)
Cracking Pressure : From 3.4 Bar (50 PSIG) to 413 Bar (6000 PSIG)
Temperature Rating : UPTO 121°C
End Connections : Fractional 1/4″
Pipe Threads : 1/4″ Male / Female BSP / BSPT / NPT

Applications :

CNG Dispensers Fill-Line

Type Test Approvals :

The design of DAWSONS-TECH® Safety Relief Valves Series : SRV027 have been tested to Hydrostatic Proof and Burst Test in accordance with MSS SP-99-2016a Clause 5.5 & 5.6.

Testing :

Standard Test : Each Valve is Factory Tested for Cracking set pressure and re-sealing performance.

Certification :

The certificate to 3.1 acc. to EN10204 for Valve Body Material and pressure test will be provided on request.

Material of Construction :

Sr. No.	Part Description	Material
1	Valve Body	SS316
2	Valve Insert	SS316
3	Seat Seal	Viton
4	Clamp Screw	SS316
5	Valve Poppet	SS316
6	Retainer Ring	SS316
7	Stem Seal	Viton
8	Bonnet ‘O’ Ring	Viton
9	Valve Bonnet	SS316
10	Spring Support Disc	SS316
11	Spring	Stainless Steel
12	Lock Nut	SS316
13	Adjustment Cap	SS316
14	Cap Plug	Brass

Connection Size		Orifice (mm)	Dimensions in mm			Dawsons-Tech Part No.
Inlet	Outlet	Orifice (mm)	A	B	C	Dawsons-Tech Part No.
1/4″ ODT	1/4″ ODT	3.6	105	36.6	40.7	SRV027-TT4
1/4″ Male NPT	1/4″ ODT	3.6	98.5	30.2	40.7	SRV027-M4N-T4
1/4″ Male NPT	1/4″ Female NPT	3.6	98.5	30.2	29.7	SRV027-MF4N
1/4″ Male BSPT	1/4″ Female BSPT	3.6	98.5	30.2	29.7	SRV027-MF4RT
6mm ODT	6mm ODT	3.6	105	36.6	40.7	SRV027-TT6M
8mm ODT	8mm ODT	3.6	105	36.6	40.7	SRV027-TT8M

Dimensions are for reference only and subject to change.

High Pressure, Cost Effective & High Performance Components for CNG Vehicles & Fueling Stations.

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Opening hours

Feel free to customize it as needed. If you have any specific requirements, please let us know!

Monday – Saturday:
09⁰⁰– 06⁰⁰

Sunday:
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Contact Info

Registered Office and Manufacturing Plant:

DAWSONS-TECH COMPONENTS LLP
Unit No. DD – 6 & 7, Khan Real Industrial Estate, N. H. 08, Pelhar, Vasai Phata, Vasai East, Dist. Palghar – 401208, Maharashtra, INDIA.

Email : info@dawsonstech.com

Contact No: +91-9833355596