The suction check valve is suitable for pipeline under nominal pressure PN20.0 ~ 32.0mpa and working temperature ≤540℃(including P(57)170V working temperature 570℃) in petroleum, chemical, hydraulic, thermal power stations and other working conditions.
Applicable medium: water, oil, steam, etc.
1. The product is designed and manufactured according to E101 and JB / t3595 standards, with reasonable structure and excellent performance;
2. The middle chamber of the valve adopts pressure self tightening sealing structure. The higher the medium pressure is, the better the sealing performance is;
3. Both ends of the branch pipe are butt welded to meet different requirements of the nozzle;
4. The sealing surface of valve disc and valve seat is made of Stellite cobalt based cemented carbide, which is wear-resistant, high-temperature resistant, scratch resistant and has long service life;
5. High temperature and pressure resistant parts are made of high-quality heat-resistant alloy steel, safe and reliable, stable performance and long service life.
Design specification :JB/T3595
Structure length :GB/T12221GB/T 15188.1
Welding groove :JB/T3595
Test and inspection :JB/T 3595
Pressure-temperature :JB/T 3595
Nominal diameter: NPs 8 ″ - NPs 42 ″
Pressure range: Class 150 ~ 600Lb
Working temperature: ≤ 540 ℃
Applicable media: water, oil and steam
Main material: WCB, wc6
NPS(in) | L | d | D | H | WT (kg) | |||||||||
H664H150Lb H664Y150Lb | ||||||||||||||
18 | 740 | 428 | 476 | 990 | 620 | |||||||||
20 | 790 | 468 | 520 | 990 | 759 | |||||||||
28 | 1040 | 685 | 747 | 1240 | 1258 | |||||||||
36 | 1448 | 880 | 934 | 1510 | 1990 | |||||||||
42 | 1600 | 1000 | 1080 | 2080 | 2287 | |||||||||
H664H300Lb H664Y300Lb | ||||||||||||||
8 | 526 | 195 | 239 | 815 | 236 | |||||||||
12 | 610 | 300 | 354 | 845 | 1537 | |||||||||
H664H600Lb | ||||||||||||||
10 | 680 | 250 | 302 | 904 | 385 | |||||||||
20 | 1020 | 480 | 584 | 1240 | 1537 | |||||||||
H664H600LbC6 H664Y600LbC6 | ||||||||||||||
8 | 526 | 195 | 239 | 815 | 227 |