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| CHOKE AND CHECK VALVES |
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Drilling Choke Systems
The "QFD" Drilling Choke System is available
in working pressures of 2,000 to 15,000 psi with trims to meet most service
needs and the following features: |
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Type "QFD" Choke provides complete shutoff
capability |
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Choke bodies are forged-steel material
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Seat and gate material are erosion-resistant
tungsten carbide |
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Seat and gate are reversible for double life
and replaceable by removing the actuator assembly
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Choke body has a tungsten carbide wear
sleeve to prevent downstream body erosion
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A vent port prevents damage to the hydraulic
actuator in the event of a seal leak |
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Choke actuator assembly will accept a
pneumatic or digital position indicator
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All stainless steel panels are available for
single or dual chokes |
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Digital pump stroke counters for single- or
multi-pumps are available |
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Pneumatic and digital position indicator
available |
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Manual pump for emergency use |
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Manufactured and tested in accordance with
API 6A, under the quality standards of ISO 9001
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Third party certification available. | |
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Type "1" Single Choke Control Panel.
System
components: stainless steel control panel with 75 feet of cable; "QFD" drilling
choke with pneumatic position
indicator. |
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Single choke control panel.
Economical steel panel
with digital pressure readouts, pump stroke counter and pneumatic position
indicator. |
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Positive and Adjustable Chokes
The "QF2" positive and adjustable chokes
come in sizes 2 1/16" to 4 1/16" and working pressures
from 5,000 to 15,000 psi with the following
features: |
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Provided in a maximum 2-inch orifice in
positive and adjustable chokes |
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Forged-steel body
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Adjustable chokes have stainless steel stem
and seat, with tungsten carbide tip and insert
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Manufactured according to NACE MR-01-75
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Available
in PSL Levels 1, 2, 3 & 4 |
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Available in most trims |
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Manufactured in accordance with API 6A
Standards |
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Manufactured under the quality standard of
ISO 9001 |
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Third party certification available. | |
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Type "QF2" Positive Chokes for drilling
or wellhead
applications |
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Check
Valves
The "QFR" and "QFM" check valves come in
sizes 2 1/16" to 4 1/16" and working pressures from 5,000
to 15,000 psi with the following
features: |
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"QFR" check valves have elastomeric seal
between seat and poppet |
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"QFM" check valves have a metal-to-metal
seal |
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Forged-steel body
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Seat and poppet are stainless steel |
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Manufactured according to NACE MR-01-75
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Available in PSL Levels 1, 2 3 & 4
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Manufactured in accordance with API 6A
Standards |
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Manufactured under the quality standard of
ISO 9001 |
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Third party certification available. | |
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Type "QFM" Check
Valve |
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