Lift Check Valve-Yuming Valve

Introduction

Body Test: .5 times the working pressure with water. This test is performed after valve assembly and with disc in half position open, it is called as a body hydro test.

Seat Test: 1.1 times the working pressure with water.

Function / Operation Test: At the time of final inspection, each valve and its actuator (Flow-Control Lever / Gear / Pneumatic Actuator), under goes a complete operating test (Open/Close). This test carried out without pressure and at ambient temperature. It ensures the correct operation of the valve / actuator assembly with accessories such as solenoid valve, limit switches, air filter regulator etc.

Special Test: On request, any other test can be carried out according to special instruction by client.

DATA

Model	Design&Manufacture	Face To Face	Flange Size	Pressure～Temperature	Test～Inspection
Swing Start Check Valve	ANSIB16.34	ANSIB16.10	ANSIB16.5a	ANSIB16.34	API598
Lifting Check Valve	BS1868	ANSIB16.10	ANSIB16.5a	ANSIB16.34	API598

DN	L	D	D1	D2	H	b	rd
PN16
15	130	95	65	45	77	14	4-14
20	150	105	75	55	77	14	4-14
25	160	115	85	65	80	16	4-14
32	180	135	100	78	85	16	4-18
40	200	145	110	85	95	16	4-18
50	230	160	125	100	105	16	4-18
65	290	180	145	120	120	18	4-18
80	310	195	160	135	130	20	8-18
100	350	215	180	155	140	20	8-18
125	400	245	210	185	155	22	8-18
150	480	280	240	210	180	24	8-23
200	600	335	295	265	215	26	12-23
pn25
15	130	95	65	45	77	16	4-14
20	150	105	75	55	77	16	4-14
25	160	115	85	65	80	16	4-14
32	180	135	100	78	85	18	8-18
40	200	145	110	85	95	18	8-18
50	230	160	125	100	105	20	8-18
65	290	180	145	120	120	22	8-18
80	310	195	160	135	130	22	8-18
100	350	230	190	160	140	24	8-23
125	400	270	220	188	155	28	8-25
150	480	300	250	218	180	30	8-25
200	600	360	310	278	215	34	12-25