Class 150/300 Plate Check Valve

The 150LB/300LB Plate Check Valve features an ultra-thin, space-saving wafer design that complies strictly with API 594 and ASME B16.34 standards for reliable backflow prevention. Available in high-grade WCB, CF8, and CF8M materials, this robust single-plate check valve ensures maximum fluid efficiency and long-lasting durability across demanding industrial piping systems.

Overview

Application:This Class 150/300 Wafer Check Valve is designed for marine applications involving Fresh water, Sewage, Sea water,Steam, Oils.

Material Specification:

No	Parts	MATERIAL 1	MATERIAL 2	MATERIAL 3
1	Body	WCB	Cf8	CF8M
2	Disc	Cf8	Cf8	CF8M
3	Bearing	304	304	316
4	Plug	8	304	316

Technical Specifications:

Design and manufacture: API 594
Face to face: API 594
Flange Ends: ASME B16.34
Test & Inspection: API 598

Drawing:

Plate Check Valve.png

Dimensions:

	NPS	DN	d	L	D
150LB	2	50	30	19	104
	2-1/2	65	40	19	123
	3	80	52	19	136
	4	100	71	19	174
	5	125	93	19	196
	6	150	114	22	221
	8	200	157	29	278
	10	250	195	29	339
	12	300	230	38	409
	14	350	270	44	449
	16	400	310	51	512
	18	450	360	60	548
	20	500	406	64	606
	24	600	490	70	716
300LB	2	50	30	19	111
	2-1/2	65	40	19	129
	3	80	52	19	148
	4	100	71	19	180
	5	125	93	19	215
	6	150	114	22	250
	8	200	157	29	306
	10	250	195	38	360
	12	300	230	51	421
	14	350	270	51	484
	16	400	310	51	538
	18	450	360	76	595
	20	500	406	83	653
	24	600	490	90	772