Russian
English
  • banner

Good Quality Types Of Pneumatic Control Valves - cryogenic pneumatic control valve – Hoyee

Good Quality Types Of Pneumatic Control Valves - cryogenic pneumatic control valve – Hoyee Featured Image
  • Good Quality Types Of Pneumatic Control Valves - cryogenic pneumatic control valve – Hoyee

Good Quality Types Of Pneumatic Control Valves - cryogenic pneumatic control valve – Hoyee

Short Description:


Product Detail

Product Tags

Related Video

Feedback (2)

We constantly function like a tangible group to ensure that we can give you the very best high-quality and also the very best cost for 2 Pneumatic Butterfly Valve, Electric Actuated Flow Control Valve, 2 Inch Pneumatic Ball Valve, Being a young increasing organization, we might not the best, but we have been trying our best for being your very good partner.
Good Quality Types Of Pneumatic Control Valves - cryogenic pneumatic control valve – Hoyee Detail:

Technical specification

2.1Date sheet

Pneumatic cryogenic control valve Body type: straight through casting globe type
Valve plug 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 cryogenic regulating valve Bonnet type: Ⅲ:Low temperature extended type（-196℃~ 45℃）
Packing: V type PFTE packing, flex. graphite packing, etc.
Gasket: Metal graphite packing
Pneumatic cryogenic regulating valveActuator: Pneumatic: multi-spring diaphragm actuator, piston type actuator.

2.2 Cryogenic control valve structure drawing

cryogenic pneumatic control valve

2.3 Cryogenic control valve material list

Component name Control Valve Material
Body/Bonnet LCB/LCC/LF2/CF8/CF8M/CF3M
Valve spool/Seat 304/316/316L(overlaying stellite alloy)
Packing Normal:-196～150℃ is PTFE
Gasket Normal:Stainless steel with flexible graphite,Special:Metal tooth type gasket
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

2.4 Low temperature material suitable temperature list

Casting Forging
Materials Lowest working
temperature		 Materials Lowest working
temperature
LCB -46°C LF2 -46°C
LCC -46°C -46°C
LC1 -59°C LF5 -59°C
LC2 -73°C LF9 -73°C
LC3 -101°C LF3 -101°C
CF8 -254°C F304 -254°C
CF8M -254°C F316 -254°C
CF3 -254°C F304L -254°C
CF3M -254°C F316L -254°C

2.5  Cryogenic control valve performance

Pneumatic cryogenic regulating valve
Flow characteristic		 Linear, percentage, quick open
Allowable range 50: 1 (CV<6.3 30: 1)
Rated Cv value Percentage CV1.6~630 ，linear CV1.8~690
Pneumatic cryogenic regulating valve Allowable leakage Metal seal:  IV grade（0.01% rated capacity）
Soft seal:  VI grade（foam grade）
Leakage standard:  GB/T 4213
Pneumatic cryogenic regulating 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

2.6 Cryogenic control valve actuator parameter

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 cryogenic regulating valve
Accessories		 E/P, P/P valve positioner, filter regulator, valve converter, solenoid valve, limited switch
Non-standard accessories, need special customized notes.

2.7 Cryogenic control valve technical parameter

Seat diameter(mm) 10 12 15 20 25 32 40 50 65 80 100 125 150 200
Rated Cv Percentage 1.6 2.5 4.0 6.3 10 16 25 40 63 100 160 250 400 630
Linear 1.8 2.8 4.4 6.9 11 17.6 27.5 44 69 110 176 275 440 690
Nom. size Travel Option flow characteristic Cv. (★standard  ●recommanded  ○customized)
DN20 16mm ● ● ● ★                    
DN25 ● ● ● ● ★                  
DN32 25 mm ○ ○ ○ ○ ○ ★                
DN40   ○ ○ ○ ○ ● ★              
DN50     ○ ○ ○ ● ● ★            
DN65 40mm           ○ ○ ○ ★          
DN80           ○ ○ ○ ● ★        
DN100           ○ ○ ○ ● ● ★      
DN125 60mm                 ○ ○ ○ ★    
DN150                   ○ ○ ● ★  
DN200                   ○ ○ ● ● ★
Pneumatic actuator
Diaphragm area, Ae(cm2)		 PZMA-4 PZMA-5 PZMA-6 PZMA-7
280 400 600 1000
Action Spring range Pneumatic cryogenic regulating valve
Metal sealing allowable pressure difference (MPa)
Air open 20-100KPa 4.46 3.09 1.98 1.16 0.7 0.44 0.28 0.18 0.17 0.11 0.07 0.07 0.05 0.03
40-200 KPa 6.4 6.4 5.94 3.34 2.14 1.31 0.84 0.53 0.51 0.33 0.21 0.22 0.15 0.09
80-240 KPa 6.4 6.4 6.4 6.4 4.99 3.05 1.95 1.25 1.18 0.78 0.5 0.51 0.36 0.21
Air close 20-100KPa 6.4 6.19 3.96 2.23 2.14 0.87 0.56 0.35 0.34 0.22 0.14 0.15 0.1 0.06
40-200 KPa 6.4 6.4 6.4 6.4 6.4 5.86 3.64 2.3 2.21 1.43 0.91 0.95 0.66 0.37
80-240 KPa 6.4 6.4 6.4 6.4 6.4 6.4 5.04 3.18 3.06 1.98 1.26 1.32 0.92 0.52
Product detail pictures:

Good Quality Types Of Pneumatic Control Valves - cryogenic pneumatic control valve – Hoyee detail pictures

Related Product Guide:
Our corporation puts emphasis about the administration, the introduction of talented staff, plus the construction of team building, attempting hard to improve the quality and liability consciousness of team members. Our organization successfully attained IS9001 Certification and European CE Certification of Good Quality Types Of Pneumatic Control Valves - cryogenic pneumatic control valve – Hoyee , The product will supply to all over the world, such as: Hongkong, Jordan, Kyrgyzstan, They are sturdy modeling and promoting effectively all over the world. Never ever disappearing major functions within a quick time, it's a have to for you of fantastic good quality. Guided by the principle of Prudence, Efficiency, Union and Innovation. the corporation. ake an excellent efforts to expand its international trade, raise its organization. rofit and raise its export scale. We are confident that we are going to have a bright prospect and to be distributed all over the world in the years to come.
    • Reasonable price, good attitude of consultation, finally we achieve a win-win situation,a happy cooperation!
    5 Stars By Nainesh Mehta from United States - 2018.06.28 19:27
    We have been cooperated with this company for many years, the company always ensure timely delivery ,good quality and correct number, we are good partners.
    5 Stars By Athena from French - 2017.06.29 18:55
    Write your message here and send it to us

    Products categories

    Hit enter to search or ESC to close