PC / PCX / PCXV series Screw Pumps

ATEX APPROVAL FOR USE IN EXPLOSIVE ATMOSPHERES
Zones 1 & 2

API 676 compliant.

PCX and PCXV Series pumps for low/medium pressure lubrication circuits.
Main features:
> Standard pump with steel outer casing.
> Porting to ANSI standards and available with radial or axial inlet.
> ATEX certificated on request.
> Standard materials from worldwide manufacturers ensure readily available supply.
> Versions for high viscosity, low noise and entrapped air.
> Foot mounted versions available as standard.
> Self priming.
> Extremely low pulsation.
> Full assemblies with motor and baseplate and spacer coupling available.

INSTALLATION DATA 

Area:

 Indoor or outdoor.

Environment:

 Industrial, marine.

Ambient temp. Min./max:
 

 -25°C (storage only) / 0 to 60°C (operating) for different temperatures contact jbj Techniques Ltd.



OPERATING DATA 

Fluid specification:

 Hydraulic and lubrication oils.

Suggested inlet strainer filtration:
 

 400µ for sizes up 072, 800µ for 083 and larger sizes.

Viscosity range:

 10 to 1500 cSt.

Pump speed:

 750 to 3600 rpm.

Rotation (viewed from coupling end):   

 Clock wise (Standard version); counter clock wise on demand.




TECHNICAL CHARACTERISTICS 

Design code:

 API 676 latest edition.

Delivery flow:

 10 to 5400 Ipm.

Suction Pressure max:
 
 

 MIN: as per NPSH chart on page 18 on-line catalogue / MAX: 10 bar for different values contact jbj Techniques Ltd.

Delivery pressure:

 Up to 30 bar = size 072 / UP to 20 bar = size 083.

Operating temperature range:
 

 0 to 70°C; 120°C max for different temperatures contact jbj Techniques Ltd.

Casing design / hydrotest press:
 

 Standard 16 bar / 24 bar for different specifications contact jbj Techniques Ltd.

Seal:
 

 Mechanical seal – API code USPFN for different specifications contact jbj Techniques Ltd.

Bearing type:

 Radial ball on main driveshaft.

Bearing lubrication:

 By pumped fluid.

Driver type:
 
 

 AC voltage electric motor or Steam turbine for main and auxiliary service, DC voltage electric motor for emergency service.

Driver shape:
 
 

 PCX: horizontal on foot IM1001 (B3) or direct coupled to secondary shaft.
PCXV: vertical flanged IM3011 (V1).

Inlet & Outlet Connection:
 

 Standard ANSI 150 B16.5 for different values contact jbj Techniques Ltd.

Pressure relief valve:
 
 

 Integrated pressure relief valve available on request (internal or external recirculation).
Concession to chapter 3.4 on API676 required.




MATERIALS 

Casing/Flanges:
 

 Carbon Steel or Stainless Steel for different specifications contact jbj Techniques Ltd.

Screws:

 Nitrided Steel.

Liner:

 Cast Iron GG25 or Carbon Steel.

O-rings:

 Viton ®.

Surface protection:
 

 Sand Blasting SA 2,5 + Inorganic Primer 75µ; Finish painting to customer request.


ATEX APPROVAL FOR USE IN EXPLOSIVE ATMOSPHERES
Zones 0 & 1  and  API 676 compliant.

 Screw pumps
 


 


 


 


 


 

 Material certifications are available according to UNI EN 10204.

Contact jbj Techniques technical office for further details, email: info@jbj.co.uk or telephone: 0044 (0) 1737 767493


jbj Techniques Limited is ISO certificated,
committed to international coordination
& unification of industrial standards

  
© Copyright, jbj Techniques Limited,
28 Trowers Way, Holmethorpe Industrial Estate, Redhill, Surrey RH1 2LW. United Kingdom of Great Britain. telephone: +44(0)1737 767493 email:info@jbj.co.uk
E. & O. E., Disclaimer: Information throughout this web-site relevant to design, materials and/or specifications are subject to change without notice and liability therefore.