GS-C25 Globe Valves, DIN 3356, DN25, PN16, Bellows Sealed

Compliant with TA-LUFT/ISO 15848-1/API 624
(API 624 Additional High Temperature Version)

Key Specifications / Features

The GS-C25 Globe Valves Supplier in China offers bellows sealed globe valves that comply with DIN 3356 standards. These valves feature a GS-C25 body material, suitable for DN25 (1 inch) size, with a pressure rating of PN16 and Class 150 LB. They have RF flanged ends and are handwheel operated, making them ideal for precise flow control and reliable operation in various industrial applications.

Model No.: MV-20250701-CSGLV-01
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Categories: Cast Steel Globe Valve
Tags: Bellows Sealed Globe Valve, GS-C25 Globe Valve, DIN 3356 Globe Valve

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Detail Information

Product Name: Bellows Sealed Globe Valves
Design Standard: DIN 3356
Body Material: GS-C25
Size: DN25, 1 Inch
Pressure: PN16, Class 150 LB
End Connection: RF Flanged
Operation: Handwheel

Product Range

Design Standard: DIN EN 13709, DIN 3356, EN 12516-1
Material: GS-C25, 1.4308, 1.4408, 1.4306, 1.4301
Flange Standard: DIN EN 588-1, DIN 2543-2545, EN 1092-1 PN10-40
Testing Standard: DIN 3230, EN 12266-1
Size: DN15-DN400, 1/2-16 Inch
Working Pressure: PN16, PN25, PN40, PN64, Class 150-400 LB
Temperature Range: -29°C to 350°C
Medium: Water, Steam, Oil, etc.

The bellows seal valve uses a bellows structure internally. The lower end of the stainless steel bellows is welded to the stem to prevent the process medium from corroding the stem. The other end forms a static seal between the valve body and the bonnet. The double seal design ensures that even if the bellows fails, the stem packing will prevent leakage. The bellows are welded to the stem to maintain stable operation and avoid stem vibration caused by valve plug movement. Suitable for working temperatures of -29~350°C in steam, flammable, explosive, heat-conductive oil, high-purity, toxic, and other media pipelines (different materials are selected according to the medium). The driving methods for the German standard shut-off valve include manual, gear transmission, electric, pneumatic, etc.

Pressure Rating (MPa) 1.6MPa
Diameter	L	H	W	D	D₁	D₂	n-Φd
15	130	240	120	95	65	45	4-Φ14
20	150	260	140	105	75	55	4-Φ14
25	160	276	160	115	85	65	4-Φ14
32	180	285	160	135	100	78	4-Φ18
40	200	300	180	145	110	85	4-Φ18
50	230	305	200	160	125	100	4-Φ18
65	290	354	200	180	145	120	4-Φ18
80	310	402	750	195	160	135	8-Φ18
100	350	437	250	215	180	155	8-Φ18
125	400	496	300	245	210	185	8-Φ18
150	450	541	350	280	240	210	8-Φ23
200	600	699	400	335	295	265	12-Φ23
250	730	815	450	405	335	320	12-Φ25
300	850	914	500	460	410	375	12-Φ25
350	980	1189	550	-	-	-	-
400	1100	1350	600	-	-	-	-
(All dimensions are manually measured for reference only, actual goods are subject to actual measurements)

Pressure Rating (MPa) 2.5MPa
Diameter	L	H	W	D	D₁	D₂	n-Φd
15	130	240	120	95	65	45	4-Φ14
20	150	260	140	105	75	55	4-Φ14
25	160	276	160	115	85	65	4-Φ14
32	180	285	160	135	100	78	4-Φ18
40	200	300	180	145	110	85	4-Φ18
50	230	325	200	160	125	100	4-Φ18
65	290	363	200	180	145	125	8-Φ18
80	310	415	250	195	160	135	8-Φ18
100	350	453	300	230	190	160	8-Φ23
125	400	505	350	270	220	188	8-Φ25
150	450	556	400	300	250	218	8-Φ25
200	600	744	450	360	310	278	12-Φ25
250	730	864	500	425	370	332	12-Φ30
300	850	948	550	485	430	390	16-Φ30
350	980	1269	600	-	-	-	-
400	1100	1450	600	-	-	-	-
(All dimensions are manually measured for reference only, actual goods are subject to actual measurements)

Pressure Rating (MPa) 4.0MPa
Diameter	L	H	W	D	D₁	D₂	n-Φd
15	130	240	120	95	65	40	4-Φ14
20	150	260	140	105	75	51	4-Φ14
25	160	276	160	115	85	58	4-Φ14
32	180	285	160	135	100	66	4-Φ18
40	200	300	180	145	110	76	4-Φ18
50	230	325	200	160	125	88	4-Φ18
65	290	370	200	180	145	110	8-Φ18
80	310	430	250	195	160	121	8-Φ18
100	350	480	300	230	190	150	8-Φ23
125	400	532	350	270	220	176	8-Φ25
150	450	589	400	300	250	204	8-Φ25
200	600	783	450	375	320	260	12-Φ30
250	730	888	500	-	-	-	-
300	850	965	550	-	-	-	-
350	980	1285	600	-	-	-	-
400	1100	1512	600	-	-	-	-
(All dimensions are manually measured for reference only, actual goods are subject to actual measurements)

Product Performance Specifications

Nominal Pressure (MPa)	Shell Test Pressure (MPa)	Seal Test Pressure (MPa)	Applicable Temperature (°C)	Applicable Medium
1.6	2.4	1.76	-29°C to 350°C	Water, Steam, Oil, etc.
2.5	3.75	2.75
4.0	6.0	4.4
6.4	9.6	7.04

Applications

This is widely used in petrochemical, chemical fiber spinning, plastic papermaking, power steel, printing rubber, natural gas and other gas systems, with reliable performance.

Main Component Materials and Performance

Valve Body

GS-C25

1.4308

Valve Disc

GS-C25

1.4308

1.4408

Monel

Valve Stem

13Cr

1.4308

1.4408

Monel

F304

Disc Sealing Surface

13Cr

13cr1

STL

1.4308

STL

1.4408

STL

Monel

1.4308

STL

Seat Sealing Surface

13Cr

STL

1.4308

STL

1.4408

STL

Monel

1.4308

STL

Valve Body

1.4408

1.4306

1.4301

Valve Disc

Valve Stem

Disc Sealing Surface

1.4408

STL

1.4306

STL

1.4301

STL

Seat Sealing Surface

1.4408

STL

1.4306

STL

1.4301

STL

Products

Cast Steel Globe Valve

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GS-C25 Globe Valves, DIN 3356, DN25, PN16, Bellows Sealed

Key Specifications / Features

Detail Information

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