Gate Valve,NRV & Y Strainer Size Chart

NRV (Non-Return Valve) Size Chart

Size (Inches)	End Connection	A (Face-to-Face) mm	B (Height) mm	Pressure Rating (Class)
1/2″	Threaded / Flanged	80-100	60-80	150 / 300 / 600
3/4″	Threaded / Flanged	100-120	70-90	150 / 300 / 600
1″	Threaded / Flanged	120-150	90-120	150 / 300 / 600
1-1/2″	Threaded / Flanged	150-180	120-140	150 / 300 / 600
2″	Flanged	180-220	150-180	150 / 300 / 600
3″	Flanged	220-280	200-250	150 / 300 / 600
4″	Flanged	280-350	250-300	150 / 300 / 600
6″	Flanged	350-450	350-400	150 / 300 / 600
8″	Flanged	450-550	400-500	150 / 300 / 600
10″	Flanged	550-650	500-600	150 / 300 / 600
12″	Flanged	650-750	600-700	150 / 300 / 600

READ MORE-

• Pipe ID, OD, CF, and Thickness Table Format
• How to Find OD, ID & CF of pipe

Types of NRV Valves:

1. Swing Check Valve: Used in low-pressure applications.
2. Lift Check Valve: Suitable for high-pressure systems.
3. Dual Plate Check Valve: compact design, suitable for large pipelines.
4. Wafer Type Check Valve: thin, lightweight, and easy to install.

Gate Valve Size Chart (ANSI 150# Flanged)

(Diamensions may vary by manufacturer; values are approximate.)

Size (Inches)	Face-to-Face (mm)	Flange OD (mm)	Bolt Hole Diameter (mm)	Number of Bolt Holes
1/2″	108	90	16	4
3/4″	117	100	16	4
1″	127	110	16	4
1-1/2″	165	125	18	4
2″	203	150	18	4
3″	241	190	22	4
4″	292	230	22	8
6″	406	280	26	8
8″	495	345	30	8
10″	622	405	33	12
12″	698	485	36	12

Y Strainer Size Chart

(For Cast Iron, Carbon Steel, or Stainless Steel Y-Strainers; dimensions may vary slightly by manufacturer.)

Y Strainer Size
Nominal Size	Nominal Size (Inch)	F ±2	D	T	H
25	1	140	120.7	12.7	110
32	1 1/4	155	133.5	15.9	120
40	1 1/2	165	139.7	15.9	140
50	2	185	165.1	19.1	160
65	2 1/2	206	184.2	19.1	180
80	3	255	203.2	19.1	210
100	4	295	228.6	22.2	255
125	5	350	279.4	25.4	285
150	6	385	304.8	25.4	310
200	8	475	368.3	28.6	415
250	10	560	431.8	28.6	500
300	12	660	489	31.8	600