Field Tools & References

Resources

Practical tools and quick-reference documents for valve selection, actuation sizing, and pipeline testing — built for the field.

Interactive Tools

Direct Type A application only.

MX torque-at-speed screening table — 60 Hz (ft-lb)

RPMMX-05MX-10MX-20MX-40MX-85MX-140MX-150
1855125225440———
26551252254408501500—
405512522544012251700—
525512522544011501600—
77481071783458501200—
10039891482866007391500
15541891402604506501150
2003473114210———

Preliminary quote-screening tool only. Final selection must verify speed, stem diameter/lead, mounting base, duty cycle, and current Flowserve/Limitorque application data.

ClassDefault Rated PressureShell FactorSeat Factor
150285 psi1.5×1.1×
300740 psi1.5×1.1×
400990 psi1.5×1.1×
6001,480 psi1.5×1.1×
9002,220 psi1.5×1.1×
15003,705 psi1.5×1.1×
25006,170 psi1.5×1.1×

Preliminary reference only. Always verify valve material, nameplate rating, applicable API 6D edition, manufacturer requirements, and customer specification before pressurizing.

Selected flange

12" · Class 600

ASME B16.5
Fastener quantity20 studs
Stud diameter1-1/4"
Reference stud lengthVerify RF flange pair / approved table
Typical stud materialASTM A193 B7
Typical nutASTM A194 2H Heavy Hex
Fastener styleStud bolt + 2 heavy hex nuts
Gasket / facingSpiral wound · Raised Face
Reference torque1,065–1,395 ft-lb

Reference torque is an estimated starting range only. Final assembly torque must be verified against the gasket manufacturer's data, lubricant/friction condition, fastener finish, flange condition, and the owner/operator's bolting procedure. Scope: ASME B16.5, NPS 2–24, ASTM A193 B7 / A194 2H reference bolting.

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