Globe Type Control Valve With Pneumatic Actuator and Positioner

NegotiableUpdate on October 09

Model

Nature of the Manufacturer: Manufacturer

Product Category: Globe Valves

Place of Origin: City, Province

Online Consult Contact Information

Overview

Leading Valve Manufacturer JONLOO supplies Globe Type Control Valve With Pneumatic Actuator and Positioner.

Product Details

The Globe Type Control Valve is a kind of top pilot single seat valve, which has simple structure, good sealing, high flow rate and stable application performance. Reasonable top spiral system can avoid vibration during small opening percentage, so as to extend valve working life.

SPECIFICATION

Body type:	straight through casting globe type
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:	acc. To ANSI Standard
Bonnet type:	standard type（-5℃~230℃） Radiator type: （-45℃~ high than 230℃ occasion） Low temperature extended type（-196℃~ -45℃） Bellow seal type Warm insulation Jacket type
Packing:	V type PFTE packing, flex. graphite packing, etc.
Gasket:	Metal graphite packing
Actuator:	pneumatic: multi-spring diaphragm actuator, piston type actuator. electric: 3810L series smart actuator, PSL series actuator.
Surface painting:	Green color, acrylic acid polythene ceramic paint.

PERFORMANCE

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
Allowable Leakage		Metal seal: IV grade（0.01% rated capacity） Soft seal: VI grade（foam grade） Leakage standard: GB/T 4213
Performance		Pneumatic	Electric
	Intrinsic Error %	±1.5	±1.0
	Return Difference, %	≤1.5	≤1.0
	Dead Zone, %	≤0.6	≤1.0
	Difference From Beginning To End Point, %	±2.5	±2.5
	Rated Travel Difference, %	≤2.5	≤2.5

Note: specification on the basis of control valve with positioner ａnd PTFE packing.

SINGLE SEAT CONTROL VALVE SPECIAL SPECIFICATION

Special Test	Material Penetration Flaw Detection (PT), Radiator Test (RT), Flow Characteristic Test, Low Temperature Test.
Special treatment	Trim nitrogen treatment, seat hard alloy treatment.
Special rinse	Degreasing and dehydration treatment
Special condition	Special piping or connection, vacuum condition, S.S fastener, special coating.
Special dimension	Customized face to face length or dimension
Test and inspection	Third party test report

ACTUATOR

Type/ Method	Pneumatic Diaphragm Actuator	Electric Actuator
	ZH23～ZH56	3810L Series
	Multi-Spring Type	Intelligent Integrated Type
Usage	Regulating type, ON-OFF type	Regulating
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	Power: AC 200V±10% 50Hz Or Power: AC 380V±10% 50Hz
Connector	Air pipe connector: RC1/4	Normal type: cable inlet 2-PF(G1/2〞) Explosive proof: Protection jacket PF(G3/4〞)
Direct Action	Pressure increase, stem descend, valve close.	Input signal increase, stem descend, valve close.
Reaction	Pressure increase, stem ascend, valve open.	Input signal increase, stem ascend, valve open.
Input Signal	40～20mA.DC（with positioner）	Input/output4～20mA.DC
Lag	≤1%FS（with positioner）	≤0.8%FS
Linear Type	2%FS（with positioner）	≤+1%FS
Environmental Temperature	-10℃～+70℃	Standard type: -10℃～+60℃ With space heater : -35℃～+60℃ Explosive proof: -10℃～+40℃
Surface Coating	Green, acrylic acid polyurethane coating	Blue, acrylic acid polyurethane coating
Accessories	E/P, P/P valve positioner, filter regulator, valve converter, solenoid valve, limited switch	Space heater (normal type)

Note 1: non-standard accessories is upon customers' requirement.