2500LB PSB Gate Valve

Vervo Inc manufactures forged steel gate valve 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

NQ	Part Name A105/F6a		A105/F6aHFS	LF2/304	Fll/F6aHF	F304(L)/304(L)	F316(L)/316(L)	F91/F91
1	Body	A105	A105	Lf2	Fll	F304(L)	F316(L)	F91
2	Seat	410	410HF	304	410HF	304(L)	316(L)	410HF
3	Wedge	F6a	F6a	F304	F6aHF	F304(L)HF	F316(L)HF	F6aHF
4	Stem	410	410	304	410	304(L)	316(L)	410
6	Bonnet	A105	A105	LF2	Fll	F304(L)	F316(L)	F91
8	Pin	410	410	410	410	304	304	410
9	Gland	410	410	304	410	304	316	410
10	Gland eyebolt	B7	B7	L7	B16	B8(M)	B8(M)	B8
11	Gland flange	A105	A105	A105	A105	F304	F304	A105
12	Hex nut	2H	2H	2H	2H	8(M)	8(M)	8
13	Stem nut	410	410	410	410	410	410	410
14	Locking nut	35	35	35	35	35	35	35
15	Name plate	AL	AL	AL	AL	AL	AL	AL
16	Hand wheel	A197	A197	A197	A197	A197	A197	A197
17	Lubrication gasket	410	410	410	410	410	410	410
18	Packing	Grapite	Grapite	Grapite	Graphite	Graphite	Graphite	Graphite
19	Stop nut	35	35	35	35	35	35	35
23	Seal gasket	420	420	304	304	304(L)	316(L)	420
24	RS.ring	304	304	304	304	304	316	316
25	RS seal	420	420	304	304	304(L)	316(L)	F91
26	Nut pad	410	410	410	410	410	410	410
27	Packing nut	Cast steel	Cast steel	Cast steel	Cast steel	Stainless steel	Stainless steel	Cast steel

Features
Size:l/2"~4"
Pressure RatingiClass 1500~2500
BB,WB,PSB
OS&Y,Outside Screw and Yoke
Solid Wedge
Newable Seat Rings
Thread /SW / BW/Flange

 

Specifications
Design:API602/ASME B16.34/BS5352
Face to Face:ASME B 16.10/BS EN558
End Flange: ASMEB 16.5
End BW:ASMEB16.25
Pressure TemprASME 16.34
Test:API598
Special :NACE MR-01-75