Product Descriptio 

I Summary 

O-16D series pneumatic O-type hard seat regulating ball valve consists of double action actuator,O-type ball valve,and valve's positioner and so on.Itis received the control signal(4-2omA)from DCs,aCs,PLC and regulating instrument,which compare to the feedback from positioner.The outputting airpressure signal from positioner would operate the piston inner the cylinder of actuator.Then,turm the valve trim of o-type valve until the signalbeing pro data.The changes from the valve trim will change the sectional area of valve’s fiowing to up to the purpose for regulating.Because it is folowing the O-type trim,which has better sealing and cuting function.Itis used for process controling in the lots ofindustry areas,such as pulp paper, food,medicament,metallurgy,petroleum and chemistry,electric power,sewage disposalindustries and so on,especially for the medium of high viscosity and with fiber and small grain.

II  Main parameters and performance  

●Nominal pressure:1.6Mpa; 2.5Mpa; 4.0Mpa; 6.4Mpa
●Working temperature:-20℃-150℃-300℃
●Leakage:Hard seat:GB/T17213-2008 class V
Soft seat:GB/T17213-2008 classV
●Flow characteristic: Equal percentage Graph
●Air-supplypressure:0.4 Mpa~0.6 Mpa
●Intrinsicerror≤±1.0%～±2.0%
Hysteresis plus dead band:≤ 1.0%~2.0%
Dead band:≤0.6%~0.8%
(Note: The above date are determined by the positioner)
●Input signal:4~20mADC
Consumption of air:It mainly depends on the type of electric valve positioner selected. The air consumption of most positioner is 15L/min at home and abroad at present (air-supply pressure:0.4Mpa),If select intellectual type,it wil be less.

III Type of O-16D series pneumatic valve

1 Three-wat positioning O-type wafer valve exloded view	2 Clip-on type without actuator
3 Clamp tape actuator	4 Three-way positioning O-type flange valve exploded view
5 Flange type without actuator	6 Flange belt actuator
7 R Soft Seat designs	8 Equal Percentage inherent flow characteristic
How to order

Common valve material

1IRON

 Good strength and corrosion resistance

·Cast Iron：GG25，ASTM A126

·Ductile Iron：GGG40，GGG40.3，GGG50，ASTM A 395        

  

2STEEL

·Carbon steel：

·Cast steel corresponding to the material label：ASTM A216 WCB，DIN 17 245 –    1.0619，AFNOR A48 C – M，BS1504-16，JIS SCPH 2。  

·The corresponding material label of forged steel：ASTM A105(A105N)

·LCBLow carbon steel，WC6 and WC9 High temperature carbon steel

· Stainless Steel

·304/CF8stainless steel：The corrosion resistance is worse than 316. The typical temperature range is -200 c to 800 c

·Cast steel corresponding to the standard number：ASTM A351 CF8，AISI 304，DIN 10213-4 – 1.4308

·Standard number for forged steel：ASTM A 182-F304，1.4301 

·304L/CF3stainless steel：304L stainless steel is a low carbon type of 304,with improved welding performance

·Cast steel corresponding to the standard number：ASTM A351 CF3，AISI 304L，DIN 17440 – 1.4306

·Standard number for forged steel：ASTM A 182-F304L DIN 1.4452

·316/CF8Mstainless steel：316 stainless steel is often used in corrosive media, such as organic or inorganic acids, but it can not.For hydrochloric acid, sulfuric acid and phosphoric acid. Its corrosion resistance is better than 304. Because of the presence of molybdenum, the creep resistance at elevated temperature has been greatly improved. Typical temperature ranges from -253 to 815 C.

·Cast steel corresponding to the standard number：ASTM A351 CF8M，AISI 316，DIN 17445 – 1.4408，AFNOR，Z6CND18.10.3M，BS 1505 – 316C15，JIS SCS 14 A

·Standard number for forged steel：ASTM A 182-F316，A240gr，F316，AISI316，DIN 17 440-1.4401

·316L/CF3Mstainless steel：316L stainless steel is 316 carbon steel with low carbon and welding performance is improved.The corrosion resistance under temperature is higher than that of 316, and the applied temperature is similar to that of 316, the highest temperature is 455 degrees.

·Cast steel corresponding to the standard number：ASTM A351 CF3M，AISI 316L，DIN 17440 – 1.4404，AFNORZ2CND18.12.3M，BS 1504 – 316 C12，JIS SCS 16A

·Standard number for forged steel：ASTM A 182-F316L DIN 17122 1.4404，18-14-3 1.4435

 

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Our Advantages:

1.Professional manufactory.

2.Competitive price.
3.Provide you with some samples for testing
4.Flexible and convenient logistic service.
5.Professional testing, leakage testing, ensuring 100% the tightness.

 

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