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American standard bevel gear gate valve

Model: Z541H / W / Y
Nominal diameter: NPS1 / 2 "~ 40"
Nominal pressure: Class150 ~ 2500Lb
Main material: ASTM A216 WCB
Drive mode: hand wheel, gear, electric, pneumatic
Design and manufacture: API 600, BS1414 , ASME B16.34
Flange connection: ASME B16.5, ASME B16.47,
Butt weld connection: ASME B16.25
Pressure - Temperature class: ASME B16.34
Testing: API 598, BS 6755, ASME B16.34

First, the American standard bevel gear valve characteristics

1, the product design and manufacture in line with the US national standard ANSI B16.34, the American Petroleum Institute standards API6D and API600 requirements.
2, compact structure, small size, good rigidity, safe and reliable seal.
3, closing pieces (gate) with flexible structure, in the work can automatically compensate for abnormal load or temperature caused by the deformation of the valve. Therefore, the seal is reliable and does not create gate wedges.
4, diameter greater than or equal to NPS10 ", pressure level 150 pounds and diameter greater than or equal to NPS6", pressure level 600 ~ 2500 pounds of manual valves, the operating device is equipped with rolling bearings, opening and closing easily.
5, the main material, the inner parts of materials, packing, gaskets, fasteners, materials, according to user requirements or the actual working conditions and reasonable combination.
6, NPS ≤ 10 "gate valve, the valve seat for the exchange of female threaded valve seat can be any combination of material with the closing piece sealing surface material to meet the conditions required to extend the service life.

Second, American standard bevel gear valve standard STD

Design and manufacture	Structure length	Flange size	Butt welding connection size	Pressure - Temperature	Test - test
APl 600	ASME B16.10	ASME B16.5	ASTM B16.25	ASME B16.34	APl 598

Pressure test

Nominal pressure PN (Lb)	Strength test		Water seal test		Gas seal test
Nominal pressure PN (Lb)	MPa	Lbf / in2	MPa	Lbf / in2	MDa	Lbf / in2
150	3.1	450	2.2	315	0.5 ~ 0.7	60 ~ 100
300	7.8	1125	5.6	815
600	15.3	2225	11.2	1630
900	23.1	3350	16.8	2440
1500	38.4	5575	28.1	4080
2500	64.6	9367	47.4	6873

Third, the United States standard bevel gear valve parts materials

case	ASTM A216 WCB				ASTM A351 CF8
gate	WCB	CF8	CF8M	Monel	ASTM A351 CF8
Valve stem	F6a	F304	F316	Monel	F304
Gate sealing surface	13Cr 13Cr STL	304 STL	316 STL	Monel	304 304 STL
Seat sealing surface	13Cr STL STL	304 STL	316 STL	Morel	304 STL STL

Fourth, American standard bevel gear valve main dimensions

DN		150Lb convex flange RF
mm	in	L	D	D1	D2	b	Z-φd	H	D0
15	1/2	108	89	60.5	35	11.5	4-φ16	165	100
20	3/4	117	98	70	43	13	4-φ16	190	100
25	1	127	108	79.5	51	14.5	4-φ16	230	120
32	1 ^1/4	140	117	89	63.5	16	4-φ16	245	120
40	1 ^1/2	165	127	98.5	73	17.5	4-φ16	285	150
50	2	178	152	120.5	92	19.5	4-φ19	325	150
65	2 ^1/2	190	178	139.5	105	22.5	4-φ19	350	180
80	3	203	190	152.5	127	24	4-φ19	380	200
100	4	229	229	190.5	157	24	8-φ19	460	200
125	5	254	254	216	186	24	8-φ22	630	250
150	6	267	279	241.5	216	25.5	8-φ22	635	250
200	8	292	343	298.5	270	2	8-φ22	765	280
250	10	330	406	362	324	30.5	12-φ26	895	300
300	12	356	483	432	381	32	12-φ26	1080	350
350	14	381	533	476	413	35	12-φ29	1295	350
400	16	406	497	540	470	37	16-φ29	1435	400
450	18	432	635	578	533	40	16-φ32	1625	400
500	20	457	699	635	584	43	20-φ32	1830	450
600	24	508	813	749.5	692	48	20-φ35	2175	500
650	26	559	786	745	711	41.5	36-φ22	2235	550
700	28	610	837	795	762	44.5	40-φ22	2310	600
750	30	610	887	846	813	44.5	44-φ22	2695	600
800	32	660	941	900	864	46	48-φ22	3710	-
900	36	711	1057	1011	972	52.5	44-φ26	3925	-
1000	40	811	1175	1121	1080	56	44-φ29	4320	-

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