Pneumatic Diaphragm Three Way Regulating Valve

Pneumatic Diaphragm Three Way Regulating Valve:

1. Product Introduction:

(1). Model: ZMABQ, ZMABX

(2). Nominal Diameter: DN25-300 mm

(3). Nominal Pressure: 1.6 Mpa, 4.0 Mpa, 6.4 Mpa

(4). Media Temperature: -40 -+450 degree

(5). Valve Body Material: WCB, 304, 316

(6). Smart, Anti-explosion

(7). Actuator: ZHA/B-22, ZHA/B-23, ZHA/B-34, ZHA/B-45, ZHA/B-56

2. Detailed Information: (See the Chart)

Nominal Diameter DN (mm)		25	32	40	50	65	80	100	125	150	200
Rated Flow Factor (KV)	Confluence	8.5	13	21	34	53	85	135	210	340	535
	Distributary	8.5	13	21	34	53	85	135	210	340	535
		Can be Instead by Confluence System
Rated Stroke L (mm)		16	25			40			60
Diaphragm Active Area Ae (c m 2 )		280	400			600			1000
Nominal Pressure PN (Mpa)		1.6 4.0 6.4
Inherent Flow Characteristic		Straight Line, Parabola
Inherent Adjustable Rate R		30
Working Temperature t( ℃ )		Common：Cast Iron -20 ~ 200 Cast Steel -40~250 Cast Stainless Steel -60 ~ 250 Heat Dissipation：Cast Steel -40 ~ 450 Cast Stainless Steel -60~450
Two Media Temperature Difference t( ℃ )		Cast Iron≤ 150 Cast Steel, Cast Stainless Steel≤ 200
Sign Range Pr(kPa)		40~200
Bleed Pressure Ps(MPa)		0.14~0.4
Permit Leakage Rate		10 -4 X Valve Rated Capacity
Permit Pressure Distance △ P(MPa)		0.86	0.75	0.48	0.31	0.27	0.18	0.11	0.12	0.09	0.05