Pilot Operated Safety Relief Valve

• Customization: Available
• Media: Gas, Liquid
• Certification: ISO, API, ASME
• Model NO.: Pilot operated safety relief valve
• Connection: Flange
• Pressure: Adjustable
• Closed: Open
• Structure: Spring
• Material: Cast Iron
• Pressure Standard: 150lb ~ 2500lb
• Transport Package: Plywood
• Specification: 1" - 10"
• Trademark: OEM
• Origin: China
• HS Code: 84818090
• Production Capacity: 270, 000/Year

Product Description

Ref.No	Part Name	Sign of Materials
		C	cs	C6	C9	CM	cc	CB	L
1	Body	WCB	WCB	WC6	WC9	WCB	WCB	WCB	LCB
2	Nozzle	304	316	316	316	Monel	H. C	H. B	304
3	Nozzle Ring	CF8M	CF8M	CF8M	CF8M	CF8M	CF8M	CF8M	CF8M
4	Set Screw	304	304	304	304	304	304	304	304
5	Disc	304	316	316	316	Monel	H. C	H. B	304
6	Disc Holder	420	420	420	420	630	630	630	420
7	Guide	304	304	304	304	304	304	304	304
8	Spring Washer	C. St.	C. St.	C. St.	C. St.	420	420	420	C. St.
9	Spring	Alloy St.	Alloy St.	Alloy St.	Alloy St.	St. St. / Alloy St.	St. St. / Alloy St.	St. St. / Alloy St.	Alloy St.
10	Spindle	420	420	420	420	420	420	420	420
11	Bonnet	WCB	WCB	WCB	WCB	WCB	WCB	WCB	WCB
12	Adjusting Bolt	420	420	420	420	420	420	420	420
13	Cap	WCB	WCB	WCB	WCB	WCB	WCB	WCB	WCB
14	Adj, Bolt Nut	C. St.	C. St.	C. St.	C. St.	C. St.	C. St.	C. St.	C. St.
15	Plug	C. St.	C. St.	304	304	C. St.	C. St.	C. St.	304
16	Bellows	316L	316L	316L	316L	316L	316L	316L	316L
17~23	Gaskets	Non- Asbestos	Non- Asbestos	Non- Asbestos	Non- Asbestos	Non- Asbestos	Non- Asbestos	Non- Asbestos	Non- Asbestos
24	Bolt	A193-B7	A193-B7	A193-B7	A193-B7	A193-B7	A193-B7	A193-B7	A193-B8
25	Nut	A194-2H	A194-2H	A194-7	A194-7	A194-2H	A194-2H	A194-2H	A194-8

 

Ref.  No

Part Name

Sign of Materials

LS

S

S1

SM

SL

M

HC

HB

1

Body

LCB

CF8

CF8

CF8M

CF3M

Monel

H. C

H. B

2

Nozzle

316

316

304

316L

316L

Monel

H. C

H. B

3

Nozzle Ring

CF8M

CF8M

CF8M

CF8M

CF8M

Monel

H. C

H. B

4

Set Screw

304

304

304

316

316L

Monel

H. C

H. B

5

Disc

316

316

304

316L

316L

Monel

H. C

H. B

6

Disc Holder

420

420

420

630

630

Monel

H. C

H. B

7

Guide

304

304

304

316

304

316L

304

Monel

304

H. C

304

H. B

304

8

Spring Washer

C. St.

420

420

420

420

420

420

420

9

Spring

Allo y St.

St. St./ Alloy St.

St. St./ Alloy St.

St. St./ Allo y St.

St. St. / Alloy St.

St. St. / Alloy St.

St. St./ Alloy St.

St. St./ Alloy St.

10

Spindle

420

420

420

630

420

630

420

630

420

630

420

630

420

11

Bonnet

WCB

CF8

CF8

CF8M

CF8

CF3M

CF8

Monel

CF8

H. C

CF8

H. B

CF8

12

Adjusting Bolt

420

420

420

420

420

420

420

420

13

Cap

WCB

CFB

CF8

CF8

CF8

CF8

CF8

CF8

14

Adj, Bolt Nut

C. St.

420

420

420

420

420

420

420

15

Plug

304

420

420

316

316L

Monel

H. C.

H. B.

16

Bellows

316L

316L

316L

NO

316L

NO

316L

NO

Monel

NO

H. C.

NO

H. B.

17~23

Gaskets

Non- Asbestos

PTFE

PTFE

PTFE

PTFE

PTFE

PTFE

PTFE

PTFE

PTFE

PTFE

PTFE

PTFE

24

Bolt

A193-B8

A193-B8

A193-B8

A193-B8

A193-B8

A193-B8

A193-B8

A193-B8

25

Nut

A194-8

A194-8

A194-8

A194-8

A194-8

A194-8

A194-8

A194-8

Flange pressure(Class) code
Code	1	2	3	4	5	6	7
Class (Lb/MPa)	150/2.0	300/5.0 (Low pressure)	300/5.0	600/11	900/16	1500/26	2500/42
Code	A	B	C	D	E	F	G
Class (MPa/ Bar)	1.0/10	1.6/16	2.5/25 (Low pressure)	2.5/25	4.0/40 (Low pressure)	4.0/40	6.3/63
Code	H	J	k
Class (MPa/ Bar)	10/100	16/160	25/250

We are a company with 20 years of production and sales experience. 

We mainly provide safe and reliable  API ,JIS ,DIN Standard ball valve, gate valves, globe valves, check valves, fitting flange etc. for pipeline fluids. 
We are a company with 20 years of production and sales experience. We mainly provide safe and reliable API, JIS, DIN Standard ball valve, gate valves, globe valves, check valves, fitting flange etc. for pipeline fluids.

Have API6D, CE, ISO certificate.
Our group total have about 300 employees. It is a integrated high-tech enterprise which includes casting and production, export safety process service.

· Casting room: 8 casting line, 20,000 square. 2,000 Ton / Year
· Workshop: 40,000 square meters, 270,000 Valves / Year( Including The automatic production line for flange ball valves 5,000 square, 500 PCS / Day )
· Stock : 30 Millon RMB SS valve

Our main customers are distributors and wholesalers at all levels. The main materials are WCB, CF8, CF8M, CF3, CF3M, Duplex, Brass, cast iron, pressure from 150LB to 2,500LB. PN16 - PN160, 10K, 20K, Caliber 1/2″-40", connection method RF, RTJ, FF, BW, etc.Mainly we export to Brazil, Chile, Ecuador Vietnam, Turkey, Russian, Ukraine, Peru, Mexico, Romania, Czech Republic and other countries.

Company purpose: To provide reliable, efficient and flexible service, adhere to high quality, low price, fast delivery, professional quality control and good after-sales service attitude! Our goal is to become a reliable supplier of products in the petroleum industry.