Gate valve

Introduction

Forged Gate Valve are designed for precise flow control and reliable shut-off in a wide range of piping systems. The threaded connections allow for easy installation and maintenance, while the socket welded option provides a permanent, leak-proof connection for high-pressure applications. These valves are constructed from durable materials like stainless steel, carbon steel, or brass, ensuring longevity and resistance to wear and corrosion.

These gate valves are widely used for their ability to handle various fluids, including liquids, gases, and slurries, with minimal pressure drop. Their robust and low-maintenance design makes them a preferred choice in industries requiring efficient and durable flow control, such as oil and gas, water treatment, and chemical processing.

Applications

Forged Gate Valve is trusted across various industries for its precision, durability, and reliability. Explore its wide-ranging applications below:

Power Generation Industry

Used in high-pressure steam and cooling systems to ensure backflow prevention and system integrity.

Oil & Gas Industry

Prevents backflow in high-pressure pipelines, ensuring reliable operation in refineries and offshore platforms.

Chemical Processing Industry

Handles aggressive chemicals and gases in high-pressure environments, ensuring safe and efficient flow control.

Marine Industry

Ensures reliable performance in ballast systems and fuel lines under high-pressure conditions.

Water Treatment Industry

Maintains unidirectional flow and prevents contamination in high-pressure water systems.

Dimensional Detail

Application Standards

Design and Manufacture Conform to:
- API 602, BS5352, ASME B16.34
Connection Ends Conform to:
- Screw ends dimension conform to ANSI B16.11; JB/T1751
- Screw ends dimension conform to ANSI B1.20.1; JB/T7306
- Test and inspection conform to ANSI B16.25; JB/T12224
- Structure features conform to ANSI B16.5; JB79
Test and Inspection Conform to:
- API598, GB/T13927, JB/T9092
Structure Features:
- Bolted bonnet, outside screw and yoke
- Welded bonnet, outside screw and yoke
Materials:
- Conform to ANSI/ASTM
Main Materials:
- A105; LF2; F5; F11; F22; 304(L); 316(L); F347; F321; F51; Monel; 20Alloy.

Carbon steel temperature-pressure rate

CL-150-285P.S.I.@100 F CL-300-740P.S.I.@100 F CL600-1480P.S.I.@100 F CL800-1975P.S.I.@100 F CL1500-3705P.S.I.@100 F

No.	Part Name	A105/F6a	A105/F6aHFS	LF2/304	F11/F6aHF	F304(L)/304(L)	F316(L)/316(L)	F51/F51
1	Body	A105	A105	LF2	F11	F304(L)	F316(L)	F51
2	Seat	410	410HF	304	410HF	304(L)	316(L)	F51
3	Wedge	F6a	F6a	F304	F6aHF	F304(L)	F316(L)	F51
4	Stem	410	410	304	410	304(L)	316(L)	F51
5	Gasket	Flexible graphite	Flexible graphite	Flexible graphite	Flexible graphite	Flexible graphite	Flexible graphite	Flexible graphite
6	Bonnet	A105	A105	LF2	F11	F304(L)	F316(L)	F51
7	Bolt	B7	B7	L7	B16	B8(M)	B8(M)	B8(M)
8	Pin	410	410	410	410	304	304	304
9	Gland	410	410	410	410	304	316	F51
10	Gland eyebolt	B7	B7	L7	B16	B8(M)	B8(M)	B8(M)
11	Gland flange	A105	A105	A105	A105	F304	F304	F304
12	Hex nut	2H	2H	4	7	8(M)	8(M)	8(M)
13	Stem nut	420	420	420	420	410	410	410
14	Locking Nut	35	35	35	35	35	35	35
15	Nameplate	AL	AL	AL	AL	AL	AL	AL
16	Handwheel	A197	A197	A197	A197	A197	A197	A197
17	Lubricating Gasket	410	410	410	410	410	410	410
18	Packing	Graphite	Graphite	Graphite	Graphite	Graphite	Graphite	Graphite

Female threaded and socket welded gate valves

CL800: Bolted & Welded bonnet, full port reducing port outside screw and yoke(OS & Y) Threaded, butt-welded or socket welded ends; design to API 602

Specification (NPS)	R.P	--	1/2	3/4	1	1 1/4	1 1/2	2	2 1/2	3
Specification (NPS)	F.P	1/4	3/8	1/2	3/4	1	1 1/4	1 1/2	2	--
Face to face (mm)	L	79	79	92	111	120	120	140	178	--
Handwheel diameter (mm)	W	100	100	100	125	160	160	180	200	--
Center height (Open) (mm)	H	161	161	163	196	223	251	290	333	--
Flow port dimension (mm)	d	8	10.5	13.5	18	24	29	36.5	45	--
Weight (Kg)		2.3	2.22	2.39	4.24	5.7	7.05	10.9	16.8	--

CL900-CL1500: Bolted & Welded bonnet, full port reducing port outside screw and yoke(OS & Y) Threaded, butt-welded or socket welded ends; design to API 602

Specification (NPS)	R.P	--	1/2	3/4	1	1 1/4	1 1/2	2	2 1/2	3
Specification (NPS)	F.P	1/4	3/8	1/2	3/4	1	1 1/4	1 1/2	2	2 1/2
Face to face (mm)	L	92	111	111	120	120	140	172	210	--
Handwheel diameter (mm)	W	100	125	125	160	160	180	200	220	--
Center height (Open) (mm)	H	191	191	192	219	243	296	316	370	--
Flow port dimension (mm)	d	8	10.5	13.5	18	24	29	36.5	45	--
Weight (Kg)		2.4	4.4	4.3	6	7.2	11.4	16	23	--

CL1500-CL2500 Pressure seal bonnet full port reducing port outside screw and yoke(OS & Y) Socket welded ends, design conform to ASME B16.34

Specification (NPS)	###		3/8	1/2	3/4	1	1 1/4	1 1/2	2
Face to face (mm)	L	CL900~1500	140	140	140	140	178	178	216
Face to face (mm)	L	CL2500	186	186	186	186	232	232	279
Handwheel diameter (mm)	W	CL900~1500	200	200	200	200	280	280	300
Handwheel diameter (mm)	W	CL2500	200	200	200	200	280	280	300
Center height (Open) (mm)	H	CL900~1500	318	318	318	322	467	468	540
Center height (Open) (mm)	H	CL2500	325	325	325	327	467	468	540
Flow port dimension (mm)	d	CL900~1500	14	14	14	19	25	30	36.5
Flow port dimension (mm)	d	CL2500	14	14	14	19	25	30	36.5
Weight(Kg)		CL900~1500	11.5	11.5	10.8	10.5	19.6	21.0	55.4
Weight(Kg)		CL2500	12.3	12.3	11.6	10.8	26.0	28.4	60.0

Flange End Gate Valve Dimensional Detail

CL150-300-600: Bolted bonnet, reducing port reducing port outside screw and yoke(OS & Y) Flange-welded or Butt-welded ends; design to API 602, BS5352

Specification (NPS)
Specification (NPS)			1/4	3/8	1/2	3/4	1	1 1/4	1 1/2	2	2 1/2
Face to Face (mm)	CL150	L(RF) L1(BW)	--	--	108	117	127	140	165	178	190
	CL300		--	--	140	152	165	178	190	216	241
	CL600		--	--	165	190	216	229	241	292	330
Handwheel diameter (mm)		W	--	--	100	100	125	160	160	180	200
Center height (Open)(mm)	CL150	H	--	--	176	184	217	226	250	290	357
Center height (Open)(mm)	CL300, CL600	H	--	--	161	163	196	226	250	290	357
Flow port dimension (mm)		d	--	--	10	13.5	18	24	29	36.5	45
Weight (Kg)	CL150	RF	--	--	3.4	3.98	6.12	7.2	10.4	15.5	24.5
	CL150	BW	--	--	2.8	3.3	5.4	7.4	8.2	12.5	20
	CL300	RF	--	--	3.77	7.89	7.23	9.6	12.64	18	26.2
	CL300	BW	--	--	5.3	4.4	6.8	8.1	9.5	15.4	22
	CL600	RF	--	--	4.2	5.8	8.8	12.1	15.6	19.5	32
	CL600	BW	--	--	4.5	5.1	8.2	10.2	12.4	20.1	28

Flanged integrity forged steel valve enquiry please contact sales department

CL900-CL1500: Welded bonnet, full port outside screw and yoke(OS & Y) Flange-welded or Butt-welded ends; design to API 602, BS5352

Specification (NPS)
Specification (NPS)		1/4	3/8	1/2	3/4	1	1 1/4	1 1/2	2
Face to Face (mm)	L(RF) L(RTJ)	--	--	216	229	254	279	305	368
Face to Face (mm)	L(RTJ)	--	--	216	229	254	279	305	371
Handwheel diameter (mm)	W	--	--	125	125	160	180	200	220
Center height (Open)(mm)	H	--	--	191	192	219	257	296	316
Flow port dimension (mm)	d			13.5	18	24	29	36.5	45
Weight (Kg)				7.2	11.5	15.6	16.2	22.6	28.2

Flanged integrity forged steel valve enquiry please contact sales department

CL2500: Pressure seal gate valves, full port outside screw and yoke (OS & Y) Flange-welded or Butt-welded ends; design to ASME B16.34

Specification (NPS)
Specification (NPS)		1/4	3/8	1/2	3/4	1	1 1/4	1 1/2	2
Face to Face (mm)	L(RF) L(RTJ)	--	--	264	273	308	--	384	451
Face to Face (mm)	L(RTJ)	--	--	264	273	308	--	387	454
Handwheel diameter (mm)	W	--	--	200	200	200	--	280	300
Center height (Open)(mm)	H	--	--	325	325	327	--	478	540
Flow port dimension (mm)	d			13.5	13.5	19	--	30	36.5
Weight (Kg)				4.6	6.8	7.6	--	15	21.9