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EB 8026 EN

Servicing

2. Undo the body nuts (14) gradually in a

criss-cross pattern.

3. Lift the flange (2) and plug with plug

stem (5) off the body (1).

4. Unthread the stem connector nut (9) and

lock nut (10) from the plug stem.

Unscrew the threaded bushing (8).

6. Pull the plug with plug stem (5) out of the

flange (2).

7. Pull all the packing parts out of the pack-

ing chamber using a suitable tool.

Renew damaged parts. Clean the pack-
ing chamber thoroughly.

Apply a suitable lubricant to all the pack-
ing parts and to the plug stem (5).

10. Slide the plug with plug stem (5) into the

valve body (1).

11. Place the flange (2) onto the body.

Mixing valve with V-port plug:

place the

flange (2) onto the body, making sure
that the largest V-shaped port of the
V-port plug faces toward the valve outlet
(

) at the side. See section 5.1.

12. Carefully slide the packing parts over the

plug stem into the packing chamber us-
ing a suitable tool. Make sure to observe
the proper sequence (see Fig. 8).

13.

Diverting valve:

firmly press the plug (5)

into the top seat (4).

Mixing valve:

firmly press the plug (5)

into the bottom seat (141).
Fasten down the flange (2) with the body
nuts (14). Tighten the nuts gradually in a
criss-cross pattern. Observe tightening
torques.

14. Screw in the threaded bushing (8) and

tighten it. Observe tightening torques.

15. Loosely screw the lock nut (10) and stem

connector nut (9) onto the plug stem.

16. Mount actuator. See associated actuator

documentation.

17. Adjust lower or upper signal bench

range. See associated actuator docu-

mentation.

ADSEAL packing

1. Proceed as described in Standard pack-

ing (PTFE), steps 1 to 11.

2. Slide the parts of the packing over the

plug stem in the specified order:

−

Spring (11)

−

Washer (12)

−

Packing rings (16)

3. Slide the seals (15.2) over the plug stem.

Insert the wire of the red spacer ring
(15.1) into the groove of the retaining

ring.

Slide the retaining ring over the plug

stem.

4. Insert the red spacer ring (15.1) between

the threaded bushing (8) and retaining
ring. See Fig. 8.

Proceed as described in Standard pack-
ing (PTFE), steps 13 to 17.

7.2.2 Version with insulating

section

Standard packing (PTFE)

1. Remove the actuator from the valve. See

associated actuator documentation.

Содержание 3244

Страница 1: ...ons EB 8026 EN Edition August 2016 Type 3244 Valve DIN and ANSI versions In combination with an actuator e g a SAMSON Type 3271 or Type 3277 Pneumatic Actuator Type 3244 Valve with Type 3271 Actuator...

Страница 2: ...fter sales Service Department aftersalesservice samson de The mounting and operating instructions for the devices are included in the scope of delivery The latest documentation is available on our web...

Страница 3: ...16 4 Measures for preparation 20 4 1 Unpacking 20 4 2 Transporting and lifting 20 4 2 1 Transporting 21 4 2 2 Lifting 21 4 3 Storage 22 4 4 Preparation for installation 23 5 Mounting and start up 24...

Страница 4: ...n shipment 39 7 5 Ordering spare parts and operating supplies 39 8 Malfunctions 40 8 1 Troubleshooting 40 8 2 Emergency action 41 9 Decommissioning and disassembly 42 9 1 Decommissioning 42 9 2 Removi...

Страница 5: ...al forces or any other external factors Refer to the technical data and nameplate for limits and fields of application as well as possible uses Reasonably foreseeable misuse The control valve is not s...

Страница 6: ...r property damage plant operators and operating personnel must prevent hazards that could be caused in the control valve by the process medium the operat ing pressure the signal pressure or by moving...

Страница 7: ...electrical control valves do not have their own potential ignition source even in the rare incident of an operating fault As a result they do not fall within the scope of Directive 2014 34 EU For conn...

Страница 8: ...RNING Crush hazard arising from moving parts The control valve contains moving parts actuator and plug stems which can injure hands or fingers if inserted into the valve Do not insert hands or finger...

Страница 9: ...ain the process medium from all the plant sections concerned and the valve Wear protective clothing safety gloves and eyewear Risk of burn injuries due to hot or cold components and pipelines Dependin...

Страница 10: ...Parts that are too loose may cause leak age Observe the specified tightening torques u AB 0100 Risk of valve damage due to the use of unsuitable tools Certain tools are required to work on the valve O...

Страница 11: ...EB 8026 EN 11...

Страница 12: ...r of manufacture 10 Valve size DIN DN ANSI NPS JIS DN A B 11 Pressure rating DIN PN ANSI CL JIS K 12 Order no with modification index For after sales service orders AA prefix 13 Position in order For...

Страница 13: ...sociated actuator documentation 2 3 Material number The seat and plug of the valves have an item number written on them Specifying this item number you can contact us to find out which material is use...

Страница 14: ...ssure causes the force acting on the diaphragm in the actuator to increase The springs are compressed Depending on the selected direction of action the actuator stem retracts or extends As a result th...

Страница 15: ...Design and principle of operation Fig 3 Type 3244 Valve as mixing valve with Type 3271 Pneumatic Actuator Fig 4 Type 3244 Valve as diverting valve AB A B 141 5 4 14 9 A26 27 5 4 1 2 15 8 10 A8 A7 141...

Страница 16: ...le actu ator force If the travel range of the actuator is larger than the travel range of the valve the spring assembly in the actuator must be preloaded so that the travel ranges match See associ ate...

Страница 17: ...associated actuator documentation applies to actuators e g for SAMSON pneumatic actuators u T 8310 1 for Type 3271 and Type 3277 Actuators up to 750 cm actuator area Table 1 Dimensions of the standard...

Страница 18: ...2 50 14 50 18 62 H1 mm 235 270 360 375 in 9 25 10 63 14 17 14 76 H2 Class 150 mm 92 92 92 111 127 138 149 176 225 50 in 3 62 3 62 3 62 4 37 5 00 5 43 5 87 6 93 8 88 Class 300 mm 95 97 98 50 117 50 133...

Страница 19: ...alve DN 15 20 25 32 40 50 65 80 100 125 150 NPS 1 1 2 2 3 4 6 Standard version kg 6 7 8 13 15 17 31 37 49 95 135 lbs 13 15 5 17 5 28 7 33 37 5 68 82 108 210 298 Ver sion with Insulating section bellow...

Страница 20: ...ove the protective caps until im mediately before installing the valve into the pipeline 4 2 Transporting and lifting Hazard due to suspended loads falling Stay clear of suspended or moving loads Risk...

Страница 21: ...and dirt The permissible transportation tempera ture of standard control valves is 20 to 65 C 4 to 149 F Contact SAMSON s After sales Service de partment for the transportation temperatures of other v...

Страница 22: ...ecommend using a hook with safety latch see Fig 5 The safety latch prevents the slings from slipping during lifting and transporting 4 3 Storage Risk of valve damage due to improper stor age Observe s...

Страница 23: ...s After sales Service department can provide more detailed storage instruc tions on request 4 4 Preparation for installation Proceed as follows Flush the pipelines The plant operator is responsible f...

Страница 24: ...d actuator have not been assembled by SAMSON Versions with V port plug In mixing valves in sizes larger than DN 25 the bottom plug is designed as V port plug Each V port plug has three V shaped ports...

Страница 25: ...ent space to remove the actuator and valve or to perform service and repair work on them In heating or cooling applications the valve can be installed in the flow pipe or return flow pipe see Fig 6 Mo...

Страница 26: ...e of the operating personnel The workplace of operating personnel is the location from which the valve actuator and any mounted valve accessories can be ac cessed to operate them 5 2 2 Additional fitt...

Страница 27: ...e action FA Actuator stem extends FE Actuator stem retracts In heating applications with FA the heating medium flow is shut off in the fail safe position in cooling applications with FE cooling is mai...

Страница 28: ...ot loosen the screw of the test connec tion while the valve is in operation Safety guard To reduce the crush hazard arising from moving parts actuator and plug stem a safety guard can be installed 5 2...

Страница 29: ...radually by turning it clockwise until the packing seals the valve Risk of valve damage due to the threaded bushing tightened too far Make sure that the plug stem can still move smoothly after the thr...

Страница 30: ...injuries due to hot or cold com ponents and pipelines Depending on the process medium valve components and pipelines may get very hot or cold and cause burn injuries Wear protective clothing and safet...

Страница 31: ...EB 8026 EN 31...

Страница 32: ...otective equipment Risk of personal injury due to residual pro cess medium in the valve While working on the valve residual process medium can escape and depending on its properties may lead to person...

Страница 33: ...amage due to incorrect service or repair Only exchange the gasket in valves without pressure balancing To replace the gasket in valve versions with pressure balancing contact SAMSON s After sales Serv...

Страница 34: ...Stem connector nut 10 Lock nut 14 Nuts 15 Packing 17 Body gasket 21 Insulating section 25 Plug stem extension 33 Nuts 84 Travel indicator scale 141 Bottom seat A7 Actuator stem A8 Ring nut A26 27 Ste...

Страница 35: ...ug place the assembly onto the valve body making sure that the largest V shaped port of the V port plug faces toward the valve outlet AB at the side See section 5 1 7 Diverting valve firmly press the...

Страница 36: ...rmly press the plug 5 into the top seat 4 Mixing valve firmly press the plug 5 into the bottom seat 141 Fasten down the flange 2 with the body nuts 14 Tighten the nuts gradually in a criss cross patte...

Страница 37: ...nt to all the pack ing parts and to the plug stem extension 25 9 Carefully place the flange 2 over the plug stem extension 25 onto the insulat ing section 21 Mixing valve with V port plug place the fl...

Страница 38: ...tion ADSEAL packing 1 Proceed as described in Standard pack ing PTFE steps 1 to 9 2 Slide the parts of the packing over the plug stem extension in the specified or der Spring 11 Washer 12 Packing ring...

Страница 39: ...or after sales service Declaration on Contamination 4 Send the valve together with the filled in form to your nearest SAMSON subsidi ary SAMSON subsidiaries are listed on our website at u www samson d...

Страница 40: ...ne for leakage Actuator or plug stem does not move through the whole range Signal pressure too low Check the signal pressure Check the signal pressure line for leakage The valve leaks to the atmo sphe...

Страница 41: ...malfunctions not listed in the table Note 8 2 Emergency action Upon supply air or control signal failure the valve moves to its fail safe position see sec tion 3 1 The plant operator is responsible fo...

Страница 42: ...or cold Risk of burn injuries Allow components and pipelines to cool down or heat up Wear protective clothing and safety gloves 9 1 Decommissioning To decommission the control valve for service and re...

Страница 43: ...resentatives and service facilities worldwide can be found on the SAMSON website in all SAMSON product catalogs or on the back of these Mounting and Operat ing Instructions Required specifications Ple...

Страница 44: ...L1 L2 1 1 Gase nach Art 4 Abs 1 Pkt c i zweiter Gedankenstrich Gases acc to Article 4 Section 1 Subsection c i second indent Fl ssigkeiten nach Art 4 Abs 1 Pkt c ii Liquids acc to Article 4 Section 1...

Страница 45: ...all Fluids Einzeldrosselscheibe mehrstufig mit Anschwei ende Single attenuation plate multi stage with welding end Durchgangsventil Globe Valve 240 3241 ANSI Geh use GG Cl125 ab 5 Cast iron Body Cl12...

Страница 46: ...400 16 PN 25 ohne 1 A 2 H PN 40 ohne 1 H Class 150 ohne 1 A 2 H Class 300 ohne 1 H 1 Das auf dem Stellger t aufgebrachte CE Zeichen hat keine G ltigkeit im Sinne der Druckger terichtlinie The CE mark...

Страница 47: ...t 1 A 2 H 1 Das auf dem Stellger t aufgebrachte CE Zeichen hat keine G ltigkeit im Sinne der Druckger terichtlinie The CE marking affixed to the control device does not refer to the Pressure Equipment...

Страница 48: ...48 EB 8026 EN...

Страница 49: ...V ring packing 17 Body gasket 19 Bushing 21 Insulating section 22 Bellows seal 23 Guide bushing insulating section 24 Guide bushing bellows seal 25 Plug stem extension 26 Label bellows seal or insulat...

Страница 50: ...50 EB 8026 EN 81 25 84 83 82 80 32 2 11 12 16 8 10 9 15 7 39 30 33 14 21 23 81 26...

Страница 51: ...EB 8026 EN 51 14 33 11 12 16 8 10 9 12 19 2 7 91 1 13 91 141 4 17 5 24 22 26 81 42 30 37 41 14 15 81 84 83 82 80...

Страница 52: ...2019 01 15 English SAMSON AKTIENGESELLSCHAFT Weism llerstra e 3 60314 Frankfurt am Main Germany Phone 49 69 4009 0 Fax 49 69 4009 1507 samson samson de www samson de EB 8026 EN...

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