American standard gate valve

The Z40H American standard gate valve produced by the company is suitable for various pipelines with ANSI Class150~2500, PN20~42, JIS10~20K, and working temperatures of -29~425℃ (for carbon steel) and -40~500℃ (for stainless steel), and is used to cut off or connect the medium in the pipeline. By choosing different materials, it can be applied to various media such as water, steam, oil products, nitric acid, acetic acid, strong oxidizing media and urea.

【 Product Features

The product is designed and manufactured in compliance with advanced foreign standards, featuring reliable sealing and excellent performance.

② The structural design is compact and reasonable, and the shape is beautiful.

③ It adopts a wedge-type elastic gate plate structure. Rolling bearings are set for medium and large diameters, making opening and closing easy.

④ The valve body materials are complete in variety. The packing and gaskets are reasonably selected according to the actual working conditions or user requirements, which can be applied to various pressure, temperature and medium working conditions.

⑤ Adopting various domestic and international pipe flange standards and flange sealing surface types, it meets the needs of various projects and user requirements.

Products and services that meet fluid control requirements

Each process, each facility, and each environmental constraint has its own special requirements. Therefore, Dongyan offers a comprehensive range of products covering different performance levels, pressures, different functions and different materials.

Detail

Use and performance specifications

[Execution Standards]

Design and Manufacturing: API 600

Flange size: ANSI B16.5

Structural length: ANSI B16.10

Pressure~temperature: ANSI B16.34

Inspection and Test: API 598

[Performance Parameters]

Nominal pressure（Lb)	Strength test		Water seal test		Gas seal test
Nominal pressure（Lb)	MPa	Lbf/in2	MPa	Lbf/in2	MPa	Lbf/in2
150	3.1	450	2.2	315	0.6	60
300	7.8	1125	5.6	815	0.6	60
600	15.3	2225	11.2	1630	0.6	60

[Main parts and materials]

Valve body, valve cover, gate plate	WCB	1Cr18Ni9Ti	CF8(304)	CF3(304L)	1Cr18Ni12Mo2Ti	CF8M(316)
Sealing surface	Cr13 or hard alloy	The body (W) or hard alloy (Y)
Valve stem and internal parts	2Cr13	1Cr18Ni9Ti	0Cr19Ni9(304)	00Cr19Ni11(304L)	1Cr18Ni12Mo2Ti	0Cr17Ni12Mo2(316)
Packing material	Flexible graphite
Gasket	Stainless steel wound gasket
Applicable medium	Water, steam, oil products, etc	Corrosive media such as nitric acid		Strong oxidizing medium	Corrosive media such as acetic acid
Applicable Temperature	-29~425℃	-40~500℃

[Main shape and connection size]

Nominal diameter	[Main shape and connection size
Nominal diameter	L	D	D1	D2	b	Z-d	H	D0
150LB
50	178	150	120.5	92	16	4-Φ19	323	200
65	190	180	139.5	105	18	4-Φ19	347	250
80	203	190	152.5	127	19	4-Φ19	383	250
100	229	230	190.5	157	24	8-Φ19	457	300
125	254	255	216	185.7	24	8-Φ22	632	300
150	267	280	241.5	216	26	8-Φ22	635	350
200	292	345	298.5	270	29	8-Φ22	762	350
250	330	405	362	324	31	12-Φ25	895	400
300	356	485	432	381	32	12-Φ25	1080	500
350	381	535	476	413	35	12-Φ29	1295	600
400	406	595	540	470	37	16-Φ29	1435	600
300LB
50	216	165	127	92	22	8-19	330	250
65	241	190	149	105	25	8-22	368	250
80	283	210	168.5	127	29	8-22	394	300
100	305	255	200	157	32	8-22	473	300
125	381	280	235	186	35	8-22	660	350
150	403	320	270	216	37	12-22	711	350
200	419	380	330	270	41	12-25	813	400
250	457	445	387.5	324	48	16-29	1003	500
300	502	520	451	381	51	16-32	1137	600
350	762	585	514.5	413	54	20-32	1489	600
400	838	650	571.5	470	57	20-32	1581	650