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National standard bellows globe valve

Bellows valve is a kind of valve with bellows as sealing element, with high temperature resistance, high pressure resistance, corrosion resistance and other characteristics, widely used in petrochemical, electric power, metallurgy, nuclear energy and other fields, is an important representative of high-performance valves.

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Product classification

Bellows valve series

National standard valve series

Key words:

customized Bellows valve

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Product Details

GB bellows globe valve/GB Bellow Globe valve

Main parts material/Main parts m aterials

No.	Name Part name	Material Material
1	Body	WCB CF8、CF8M、CF3、CF3M
2	Disc	25、1Cr13、2CM3 1Cr18Ni9Ti、0Cr18Ni12Mo2Ti 20Cr1Mo1V、25Cr2MoV
3	Disc bushing	25、1Cr13、2Cr13 1Cr18Ni9Ti、0Cr18Ni12Mo2Ti 20Cr1Mo1V、25Cr2MoV
4	Stem	25、1Cr13、2Cr13 1Cr18Ni9Ti、0Cr18Ni12Mo2Ti 20Cr1Mo1V、25Cr2MoV
5	Bellows Assembly Bellow assemble	1Cr18Ni9Ti、304、316、304L、316L
6	Pad: Pieces Gasket	Flexible graphite stainless steel Flexible graphite stainless steel, PTFE
7	Bonnet	WCB CF8、CF8M、CF3、CF3M
8	Stud Bolt	0Cr18Ni9Ti, 0Cr18Ni12Mo2Ti 35C "MoV, 25C" 2MoV
9	Hexagon nut Nut	0Cr18Ni9Ti, 0Cr18Ni12Mo2Ti 35C "MoV, 25C" 2MoV
10	Packing Packing	柔性石墨 Flexible graphite、PTFE
11	Packing gland Gland	WCB CF8、CF8M、CF3、CF3M
12	Yoke nut	Copper alloy ZQA19-4
13	Handwheel Handwheel	WCB、QT400-18

Main dimension and weight

Model	WVF1H-16*	WJ41H-16
Pressure rating Pressure	PN16
Caliber Size	15	20	25	32	40	50	65	80	100	125	150	200	250	300	350
L	130	150	160	180	200	230	290	310	350	400	480	600	650	750	850
H	190	195	225	260	280	310	340	395	435	470	535	590	630	680	720
W	130	130	150	180	200	220	280	300	320	350	400	500	550	600	700
Weight (Kg)	5	5	5.5	11	13.5	19	26	36	46	74	102	168	270	420	620

Model	WVF1H - 25* WJ41H-25
Pressure rating Pressure	PN25
Caliber Size	15	20	25	32	40	50	65	80	100	125	150	200	250	300	350
L	130	150	160	180	200	230	290	310	350	400	480	600	650	750	850
H	190	195	225	260	280	310	340	395	435	470	535	590	630	680	720
W	130	130	150	180	200	220	280	300	320	350	400	500	550	600	700
Weight (Kg)	5	5	5.5	11	14	20	27	37	48	77	105	172	310	520	690

Model	WVF1H-40* WJ41H-40
Pressure rating Pressure	PM40
Caliber Size	15	20	25	32	40	50	65	80	100	125	150	200	250	300	350
L	130	150	160	180	200	230	290	310	350	400	480	600	650	750	850
H	190	195	225	260	280	310	340	395	435	470	535	590	630	680	720
W	130	130	150	180	200	220	280	300	320	350	400	500	550	600	700
Weight (Kg)	5	5	5.5	11	14.5	21	28	39	50	80	108	176	350	590	790

Bellows Globe Valve – Precision Flow Control with Zero Leakage Guarantee

Premium Bellows-Sealed Globe Valve for Critical Applications
Our Bellows Globe Valve is engineered for high-pressure, high-temperature systems where leak-proof performance is non-negotiable. Designed for steam, gas, oil, and aggressive chemicals, this valve ensures zero emissions, exceptional durability, and maintenance-free operation in the most demanding environments.

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Key Features & Benefits

✔ 100% Leak-Free Seal – Double-sealed design with stainless steel bellows (316L) and reinforced packing, eliminating stem leakage for API 622/624 compliance.

✔ Superior Flow Control – Globe valve design provides precise throttling and bidirectional shut-off, ideal for steam conditioning, boiler feed, and process control.

✔ Extreme Durability – Forged body (ASTM A105/A182 F316) with bellows protection against corrosion, scaling, and wear (operating temp: -196°C to 550°C / -320°F to 1022°F).

✔ Fire-Safe & Certified – API 607/6FA compliant for fire-safe applications in refineries, petrochemical plants, and power generation.

✔ Low Maintenance – Bellows shield prevents stem damage, reducing downtime and lifecycle costs.

✔ Smooth Operation – Rising stem design with gear-operated or handwheel options for effortless adjustment.

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