Bellow Sealed Globe Valves

Vervo Inc manufactures forged steel Bellow Sealed Globe Valves in three kinds bonnet design—Bolted Bonnet,Welded Bonnet and Pressure Sealed Bonnet.

Construction Features:
Forged Steel,Outside Screw and Yoke,Rising Stem,
Non-Rising Handwheel,Integral Backseat,
Solid Wedge,Renewable Seat Rings,Sprial Wound Gasket,
Reduced Bore or Full Port,
Socket Welded,Threaded,Butt Welded,Flanged End.

Application Standard:
API 602,ASME B16.34,BS 5352
Testing according to API 598
Marking to MSS SP25
Socket Welded Ends to ASME B16.11
Screwed Ends to ASME B1.20.1
Butt Welded Ends to ASME B16.25
Flanged Ends to ASME B16.5

Dimensions (mm) and Weights (Kg)

NPS	Conv.	3/8"	1/2"	3/4"	1"	1-1/4"	1-1/2"	2"
	Full		3/8"	1/2"	3/4"	1"	1-1/4"	1-1/2"
L		79	79	92	111	120	152	172
H(OPEN)		220	220	225	244	321	321	347
W		100	100	100	125	160	160	180
Weights	Bolted	3.2	3.0	4.8	7.9	11.0	16.8	25.2
	Welded	3.0	2.8	4.8	7.0	9.6	13.5	20.2

NO.	Part Name	CS to ASTM	AS to ASTM	SS to ASTm
		Type A105	Type A182 F22	Type A182 F304	Type A182 F316(L)
1	Body	A105	A182 F22	A182 F304(L)	A182 F316(L)
2	Disc	A276 420	A276 304	A276 304(L)	A276 316(L)
3	Gasket	Corrugated SS + graphite		SS + PTFE
4	Bonnet Bolt	A193 B7	A193 B16	A193 B8	A193 B8M
5	Stem	A182 F6	A182 F304	A182 F304(L)	A182 F316(L)
6	Bellow Pipe	SS
7	Bonnet	A105	A182 F22	A182 F604(L)	A182 F316(L)
8	Stem Packing	Flexible Graphite		PTFE
9	Pin	A276 420		A182 F304
10	Gland	A276 420		A182 F304
11	Gland Eyebolt	A193 B7	A193 B16	A193 B8	A193 B8M
12	Gland Flange	A216 WCB		A351 CF8
13	Gland Nut	A194 2H	A194 4	A194 8	A194 8M
14	Bearing Washer	SS
15	Yoke Nut	A276 410
16	Nameplate	SS
17	Handwheel	A197
18	H.W.Nut	A194 2H	A194 4	A194 8	A194 8M
Suitable Medium		W.O.G.etc	W.O.G.etc	HNO3,CH3OOH etc
Suitable Temperature		-29~425	-29~550	-29~180

Note: Other materials are available upon request.