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Hot-selling Pneumatic Directional Control Valve Types - Diaphragm valve pneumatic actuator PTFE PFA Lined – Hoyee

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  • Hot-selling Pneumatic Directional Control Valve Types - Diaphragm valve pneumatic actuator PTFE PFA Lined – Hoyee

Hot-selling Pneumatic Directional Control Valve Types - Diaphragm valve pneumatic actuator PTFE PFA Lined – Hoyee

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Hot-selling Pneumatic Directional Control Valve Types - Diaphragm valve pneumatic actuator PTFE PFA Lined – Hoyee Detail:

Pneumatic PTFE PFA Lined diaphragm valve specification

Pneumatic PTFE PFA Lined diaphragm control valve
Body type:		 straight through casting globe type
Fluoride (PTFE,FEP,PFA)  lined
Spool type: non-balanced single seat plug type
Nominal size: DN20~200,、 NPS 3/4〞~ 8〞
Nominal pressure: PN16 ~ 100、 CLASS 150LB ~ 600LB
Connection: flange: FF、RF、MF、RTJ
Welding: SW、BW
Flange dimension: According to to IEC 60534
Pneumatic PTFE PFA Lined diaphragm control valve
Bonnet type:		 Ⅰ:standard type（-29℃~150℃）
Packing: V type PFTE packing, flex. graphite packing, etc.
Gasket: Metal graphite packing
Actuator: Pneumatic: multi-spring diaphragm actuator, piston type actuator.

Material List

Component name Control Valve Material
Body/Bonnet WCB/CF8/CF8M/CF3M
Lined Material PTFE,FEP,PFA
Control Valve spool/Seat 304/316/316L Lined PTFE/FEP/PFA
Packing PTFE
Gasket PTFE
Diaphragm Cover Normal:Q235,Special:304
Diaphragm NBR with reinforced polyester fabric
Spring Normal:60Si2Mn,Special:50CrVa
Control valve stem 2Cr13/17-4PH/304/316/316L

Valve performance

Pneumatic PTFE PFA Lined diaphragm control valve                     Flow characteristic Linear, percentage, quick open
Allowable range 30: 1
Rated Cv value Percentage CV6.3~400 ，linear CV6.9~440
Pneumatic PTFE PFA Lined diaphragm control valve
Allowable leakage		 Soft seal:  VI grade（foam grade）
Leakage standard:  GB/T 4213
Pneumatic PTFE PFA Lined diaphragm control valve Performance
Intrinsic error(%) ±1.5
Return difference(%) ≤1.5
Dead zone(%) ≤0.6
Difference from beginning to end point(%) ±2.5
Rated travel difference(%) ≤2.5

Valve actuator specification

Pneumatic fluorine lined control valve
Type Method		 Pneumatic diaphragm actuator
PZMA-4~ PZMA-7
Multi-spring type
Usage Regulating type, ON-OFF type
Air supply pressure or Power supply voltage Air supply pressure (Spring range)
140（20～100）Kpa G
240 (40～200) Kpa G
280 (80～240) Kpa G
Connector Air pipe connector: RC1/4
Direct action Pressure increase, stem descend, valve close.
Reaction Pressure increase, stem ascend, valve open.
Input signal 40～20mA.DC（with positioner）
Lag ≤1%FS（with positioner）
Linear type 2%FS（with positioner）
Environmental temperature -10℃～+70℃
Pneumatic PTFE PFA Lined diaphragm control valve Accessories E/P, P/P valve positioner, filter regulator, valve converter, solenoid valve, limited switch
Non-standard accessories, need special customized notes.

Valve technical parameter

Nominal size, DN 20 25 32 40 50 65 80 100 125 150
Rated flow coefficient, Cv Percentage 8 12 20 32 50 70 100 200 240
Linear 5 10 16 25 38 63 80 120 220 300
Travel 16mm 25 mm 40mm 60mm
Pneumatic actuator
Diaphragm effective area, Ae (cm2)		 ZHA/B-22 ZHA/B-23 ZHA/B-34 ZHA/B-45
350 350 560 900
Action Spring range Pneumatic PTFE PFA Lined diaphragm control valve
Max. allowable pressure difference（MPa）
Air open 20-100KPa 1.16 0.7 0.44 0.28 0.18 0.17 0.11 0.07 0.07 0.05
40-200 KPa 3.34 2.14 1.31 0.84 0.53 0.51 0.33 0.21 0.22 0.15
80-240 KPa 6.4 4.99 3.05 1.95 1.25 1.18 0.78 0.5 0.51 0.36
Air close 20-100KPa 2.23 2.14 0.87 0.56 0.35 0.34 0.22 0.14 0.15 0.1
40-200 KPa 6.4 6.4 5.86 3.64 2.3 2.21 1.43 0.91 0.95 0.66
80-240 KPa 6.4 6.4 6.4 5.04 3.18 3.06 1.98 1.26 1.32 0.92
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We have many excellent staff members good at marketing, QC, and dealing with kinds of troublesome problem in the production process for Hot-selling Pneumatic Directional Control Valve Types - Diaphragm valve pneumatic actuator PTFE PFA Lined – Hoyee , The product will supply to all over the world, such as: Tanzania, Tunisia, Iran, Our team knows well the market demands in different countries, and is capable of supplying suitable quality products and solutions at the best prices to different markets. Our company has already set up a experienced, creative and responsible team to develop clients with the multi-win principle.
    • Product variety is complete, good quality and inexpensive, the delivery is fast and transport is security, very good, we are happy to cooperate with a reputable company!
    5 Stars By Linda from Mumbai - 2018.09.29 13:24
    The company leader recept us warmly, through a meticulous and thorough discussion, we signed a purchase order. Hope to cooperate smoothly
    5 Stars By Erica from France - 2018.04.25 16:46
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