Masoneilan 37/38 Series - Baker Hughes

1 Technical Specifications Rev. B - 08/2020 Baker Hughes Data Classification : PublicMasoneilan 37/38 SeriesPneumatic Spring Diaphragm ActuatorThe 37/38 Series actuator is designed to provide high performance, reliability and long service life. 2020 Baker Hughes Company. All rights | Baker HughesReverse: air to retract stemType 38 Direct: air to extend stemType 37 FeaturesBaker Hughes Masoneilan Type 37 direct acting and Type 38 reverse acting pneumatic spring diaphragm actua-tors are designed to provide high performance. Their features include:Heavy One-piece YokeProvides maximum strength and CasesPressed steel upper and lower cases combine lightness, high mechanical strength and adequate protection in the event of severe CapabilityTwo actuator types and seven sizes provide a wide range of elastomer with fabric insert for strength, long life and high molded diaphragm and deep cases minimize area change and produce a linear relationship between travel and air 37 Air to Close 38 Air to OpenNumbering System 2020 Baker Hughes Company.

2 All rights Model 37/38 Pneumatic Spring Diaphragm Actuator Technical Specifications | 3 SpecificationsActuator SizeNominal Diaphragm Effective Area (sq. in.)Max. Travel (in.)Bench Range psiMax. Supply (16") (20")Rev. : Additional travels and spring ranges Time - Typical Bench ValuesActuator SizeTravel (inches)Time (seconds)18012 Electro-pneumatic Positioner7400 Pneumatic (16") 3-15 psi bench range and 20 psi supply. For 6-30 psi bench range, increase travel time by 15%.Weights (lbs.)ActuatorSizeDirect Type 37 Reverse Type 38114555137087151201401818025018 (16")19037018 (20")N/A45024325540 Case Mounted HandwheelTypeActuator SizeWeightDirect Actuator2-1111252-1313253-1515404-18186- 1818 (16")45 Reverse Actuator9-1111209-131325 Side Mounted HandwheelTypeWeight6A1196A2456A3758A408A 70 2020 Baker Hughes Company. All rights | Baker HughesType 38 ActuatorReverse: air to retract stemType 37 Actuator1 Direct: air to extend stem1.

3 Size 11 view shownMaterials of Construction 2020 Baker Hughes Company. All rights Model 37/38 Pneumatic Spring Diaphragm Actuator Technical Specifications | 5 Materials of ConstructionDirect - Type 37 Ref. Iron18 Cap ScrewCarbon Steel22 Actuator SpringSpring Steel26 Actuator StemSteel30 Hex NutCarbon Steel33 Spring GuideCarbon Steel34 Spring ButtonNickel Copper Alloy35 Pipe PlugPlastic36 Spring AdjusterSteel37 BushingSteel39 DiaphragmElastomer w/Fabric Insert40 Diaphragm PlateCarbon Steel41 Diaphragm WasherCarbon Steel43 Diaphragm CaseCarbon Steel44 Diaphragm CaseCarbon Steel45 Cap ScrewCarbon Steel46 Hex NutCarbon Steel56 Travel Indicator ScaleAluminum57 Machine ScrewStainless Steel70 ball & Retainer1 Stainless Steel1. Size 13, 15, 18 and 24 - Type 38 Ref. (Packing Box)Copper17 YokeCast Iron18 Cap ScrewCarbon Steel19 GasketAcrylic Fiber20 Packing NutBrass21 Snap RingCarbon Steel22 Actuator SpringSpring Steel22 AActuator SpringSpring Steel26 Actuator StemStainless Steel30 Hex NutCarbon Steel31 Packing BoxBrass32 Yoke PackingBraided PTFE33 Spring GuideCarbon Steel34 Spring ButtonNickel Copper Alloy36 Spring AdjusterCarbon Steel39 DiaphragmElastomer w/Fabric Insert40 Diaphragm PlateCarbon Steel41 Diaphragm WasherCarbon Steel43 Diaphragm CaseCarbon Steel44 Diaphragm CaseCarbon Steel45 Cap ScrewCarbon Steel46 Hex NutCarbon Steel56 Travel Indicator ScaleAluminum57 Machine ScrewStainless Steel70 ball & RetainerStainless Steel71 Spring BarrelCast Iron72 Spring Barrel CapCast Iron73 ball Bearing RaceSteel74 Cap ScrewCarbon Steel 2020 Baker Hughes Company.

4 All rights | Baker HughesHandwheels6A Series Side Mounted8A Series Side MountedCase MountedSide MountedHandwheel TypeActuator SizeActionMax. Travel (in.)Max. Air Supply psi6A111 Direct & & & & & (16") (20") & (16")Direct & (20") & MountedHandwheel TypeActuator SizeMax. Travel (in.)Turns for Rated TravelDirect (16") 2020 Baker Hughes Company. All rights Model 37/38 Pneumatic Spring Diaphragm Actuator Technical Specifications | 7 Dimensions (in.)Reverse (Type 38)Air to openDirect (Type 37)Air to closeType 6 ASide Mounted Direct (37) Reverse (38) Air to close Air to openType 8 ASide MountedTypes 3-15,4-18, 6-18,Case MountedCase Mounted HandwheelTypeJKDirect SizeActuator Removal Clear-anceABCSpud Dia. (16") (20") Mounted HandwheelTypeEFG *1/2" for No. 24 2020 Baker Hughes Company. All rights reserved. Baker Hughes provides this information on an as is basis for general information purposes.

5 Baker Hughes does not make any representation as to the accuracy or completeness of the information and makes no warranties of any kind, specific, implied or oral, to the fullest extent permissible by law, including those of merchantability and fitness for a particular purpose or use. Baker Hughes hereby disclaims any and all liability for any direct, indirect, consequential or special damages, claims for lost profits, or third party claims arising from the use of the information, whether a claim is asserted in contract, tort, or otherwise. Baker Hughes reserves the right to make changes in specifications and features shown herein, or discontinue the product described at any time without notice or obligation. Contact your Baker Hughes representative for the most current information. The Baker Hughes logo and Masoneilan are trademarks of Baker Hughes Company. Other company names and product names used in this document are the registered trademarks or trademarks of their respective 08/2020 Tech Field Support & Warranty:Phone: Sales Office LocationsAustraliaBrisbanePhone: +61-7-3001-4319 PerthPhone: +61-8-6595-7018 MelbournePhone: +61-3-8807-6002 BrazilPhone: +55-19-2104-6900 ChinaPhone: +86-10-5738-8888 FranceCourbevoiePhone: +33-1-4904-9000 IndiaMumbaiPhone: +91-22-8354790 New DelhiPhone: +91-11-2-6164175 ItalyPhone: +39-081-7892-111 JapanTokyo Phone: +81-03-6871-9008 KoreaPhone: +82-2-2274-0748 MalaysiaPhone: +60-3-2161-03228 MexicoPhone: +52-55-3640-5060 RussiaVeliky NovgorodPhone: +7-8162-55-7898 MoscowPhone: +7-495-585-1276 Saudi ArabiaPhone: +966-3-341-0278 SingaporePhone: +65-6861-6100 South AfricaPhone: +27-11-452-1550 South & Central America and the CaribbeanPhone.

6 +55-12-2134-1201 SpainPhone: +34-935-877-605 United Arab EmiratesPhone: +971-4-8991-777 United KingdomPhone: +44-7919-382-156 United StatesHouston, TexasPhone: +1-713-966-3600 Find the nearest local Channel Partner in your