Cast steel lift check valve-Check valve series-止回阀厂家-上海冠环阀门制造有限公司

Product Description

The body structure of the cast steel lift check valve adopts the valve body of the globe valve, and the valve disc moves up and down along the line in the channel. Straight-through lift check valves can generally only be installed in horizontal pipelines, while vertical lift check valves are generally installed in vertical pipelines. The products are widely used in pipelines of various working conditions such as petroleum, chemical, pharmaceutical, and electric power industries.

Product Features

1. The design and manufacture of check valve products are designed and manufactured according to GB/T 12235, with reliable sealing and excellent performance.

2. The sealing surfaces of the valve disc and valve seat are made of stellite cobalt-based hard alloy surfacing, which is wear-resistant, high-temperature resistant, has good scratch resistance and long service life.

3. Various piping flange standards and flange sealing surface types can be used to meet various engineering needs and user requirements.

4. The material of the valve body is complete, and the packing and gasket 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. Check valves with different structural forms and connection forms can be manufactured according to user requirements, and used for various equipment.

Main external connection dimensions

DN	Main external connection dimensions
DN	L	D	D1	D2	b	Z-d	H
H41H-16C H41W-16C H41W-16P H41W-16R H41W-16I
15	130	95	65	45	14	4-14	77
20	150	105	75	55	14	4-14	77
25	160	115	85	65	14	4-14	80
32	180	135	100	75	16	4-18	85
40	200	145	110	85	16	4-18	95
50	230	160	125	100	16	4-18	105
65	290	180	145	120	18	4-18	120
80	310	195	160	135	20	8-18	130
100	350	215	180	155	20	8-18	140
125	400	245	210	185	22	8-18	155
150	480	280	240	210	24	8-23	180
200	600	335	295	265	26	12-23	215
250	730	405	355	320	30	12-25	260
300	850	460	410	375	34	12-25	315
H41H-25 H41W-25 H41W-25P H41W-25R H41W-25I
15	130	95	65	45	16	4-14	100
20	150	105	75	55	16	4-14	105
25	160	115	85	65	16	4-14	120
32	180	135	100	78	18	4-18	130
40	200	145	110	85	18	4-18	135
50	230	160	125	100	20	4-18	149
65	290	180	145	120	22	8-18	160
80	310	195	160	135	22	8-18	169
100	350	230	190	160	24	8-23	194
125	400	270	220	180	28	8-25	222
150	480	300	250	218	30	8-25	255
200	600	360	310	278	34	12-25	305
250	730	425	370	332	36	12-30	355
300	850	485	430	390	40	16-30	410