PTFE Lined Bellow Type Safety Relief Valve (GAA42F)

• Leakage Standard: Class IV or Class VI
• Flow Characteristic: Linear or Equal Percentage
• Actuator: Pneunamic
• Connecting Type: Flange
• Material: Wcb, S.S 304, SS316, SS304L, SS316L
• Medium Temperature: - 20 Deg C to 150 Deg C
• Model NO.: GAA42F
• Usage: Flow Control
• Type: Standard Type, Regulating Cutting Type, Bellow Sea
• Size: Dn15-Dn300
• Lining Material: FEP, PTFE, PFA
• Transport Package: Plywood Case
• Specification: CE, SGS, TUV
• Trademark: GOOLE, OEM
• Origin: Wenzhou, Zhejiang, China
• HS Code: 8481804090
• Production Capacity: 50000PCS/Year

Product Description

PTFE Lined Bellow Type Safety Relief Valve (GAA42F)

Product Description

PTFE Lined Bellow Type Safety Relief Valve (GAA42F) Description
PFA Lined Safety Relief Valve, developed according to domestic and foreign advanced technology, can be used in chlor-alkali Chemical industry, hydrochloric acid,  sulfuric acid and other high-risk corrosive medium. It can act as overpressure protection device to protect system security on the pressure equipment and pressure contrainer. This valve adopts PTFE Bellows seal which has anti-leakage function. Inner cavity of the valve body is fully lined with PFA or FEP ( F46) with more than 2.5mm thickness.

Specification

PTFE Lined Bellow Type Safety Relief Valve (GAA42F) Material Specification

Design & Manufacture Standard	GB/T 12241, GB/T12243, API520, API526
Fact to Face Dimension Standard	JB/T 2203
Flange Standard	HG/T20592, GB/T 9119, ASME B16.5, DIN2543
Inspection and Test Standard	GB/T12241, GB/T 12243, API598
Mark Standard	GB/T12241, GB/T12220, MSS 25
Delivery Standard	JB/T7928
Nominal Diameter	DN15-DN400
Nominal Pressure	PN16, 150LB
Setting Pressure Range ( MPA)	0.06-0.1	0.1-0.16	0.16-0.25
	0.25-0.4	0.46-0.6	0.6-0.8
	0.8-1.0	1.0-1.3	1.3-1.6
Applicable Temperature Range ( ºC)	PFA: -29 ~ 200, PTFE: -29~ 180, FEP: -29~ 150, GXPO: -10~80
Applicable Medium	Strong Corrosive Medium i.e. hydrochloric acid, Nitric acid, Hydrofluoric acid, Liquid Chlorine, Sulfuric Acid and Aqua regia etc.

Product Details

PTFE Lined Bellow Type Safety Relief Valve (GAA42F) Material Material

Name	Material List
Body	WCB + Lining Material	CF8/CF8M+Lining Material	CF3/CF3M+Lining Material
Disc	35# + Lining Material	304/316+Lining Material	304L/316L+ Lining Material
Bonnet	WCB	CF8/CF8M	CF3/CF3M
Cap	WCB	CF8/CF8M	CF3/CF3M
Stem	2Cr13	304/316	304l/316l
Guide Sleeve	2Cr13	304	304
Adjusting Screw	2CR13	304/316	304L/316L
Spring Washer	25#	304	304
Adjusting Ring	PTFE	PTFE	PTFE
Bellow	PTFE	PTFE	PTFE
Spring	50CRVA	50CRVA	50CRVA
Adjusting Nut	QT450	2CR13	2CR13
Bolt	35#	A193 b8	A193 B8M
Nut	45#	A194 8	A194 B8M

 

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