1PB270EN - 10/2020
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Страница 1: ...Neles PB2 series full bore flange PFA lined ball valve NPS 1 2 6 Installation maintenance and operating instructions 1PB270EN 10 2020...
Страница 2: ...ck cover Table of contents GENERAL 3 Scope of the Manual 3 Valve markings 3 Safety Precautions 3 Technical Specification 3 TRANSPORTATION AND STORAGE 4 INSTALLATION 4 General 4 Installing in the Pipel...
Страница 3: ...ERIALS HAVE PRESSURE RATINGS THAT ARE LESS THAN THE BODY RATING ALL OF THE BODY AND SEAT RATINGS ARE DEPENDENT ON VALVE TYPE AND SEAT MATERIAL DO NOT EXCEED THESE RATINGS WARNING BEWARE OF BALL MOVEME...
Страница 4: ...there is seepage past the gland packing upon installation it means the valve may have been subject to wide temperature variations in shipment Leak tight performance will be restored by a simple stem s...
Страница 5: ...s 3 Lift the actuator straight up in line with the valve stem until the connection between actuator drive and valve stem is completely disengaged 4 Place actuator in a safe location to avoid damage or...
Страница 6: ...ball onto the stem 4 and against the seat 5 Make certain the stem is roughly in the middle of the ball slot 13 Place the second seat 5 into the cap 2 in the correct orientation so the proper surface...
Страница 7: ...nted the valve position should correspond to the indicated actuator position 2 Assemble actuator onto the valve ensuring full engagement between the stem and actuator drive and the actuator fully cont...
Страница 8: ...Ball ASTM A351 CF8 PFA or ASTM A276 304 PFA 4 Stem ASTM A276 304 PFA 5 Seat TFM 1600 6 Gland ASTM A351 CF8 7 Gland packing PTFE 8 Handle ASTM A216 WCB ASTM A351 CF8 9 Stop plate ASTM A276 304 10 Washe...
Страница 9: ...ody Ball Stem S4 CF8 PFA 304 PFA 304 PFA D2 DI PFA 304 PFA 304 PFA 6 sign Material of seat Z TFM 1600 7 sign Packing material T PTFE Live loaded packing 8 sign Version A Model A NOTE As the use of the...
Страница 10: ...1PB270EN 10 2020 10...
Страница 11: ...11 1PB270EN 10 2020...
Страница 12: ...151 neles com Subject to change without prior notice Neles Jamesbury and Easyflow by Neles and certain other trademarks are either registered trademarks or trademarks of Neles Corporation or its subsi...
