- Needle and seat design provide for fully adjustable flow
- Adjustable models easily adaptable to positive configurations.
- Needle and seat available in standard or super trim.
- Interchangeable with Cameron ‘H2’ style chokes.
- Thumbscrew secures stem position at any setting.
- Inconel Trim
- Flange sizes from 3 1/8″ to 4 1/16″.
- Standard orifice size 1 3/4″
- Stem and seat can be repaired without removal from service.
- All MCM Cameron style hydraulic drilling chokes are suited for H2S service.
- Tungsten carbide wear sleeves extend choke’s serviceability life.
- Ideal choke for precision control of flow rates.
- Designed to provide positive seal.
- Tungsten carbide wear sleeves extend choke’s serviceability life.
- Rotary-style actuator allows for regulation of the opening from full open to full close.
H2 Choke Bodies
H2 Choke Bodies
| Inlet | Outlet | Working Pressure | Body | Dimensions | |
| X | Y | ||||
| 1″ Maximum Orifice | |||||
| 2″ LP | 2″ LP | 3000 | A | 3 7/16″ | 4 9/16″ |
| 2″ LP | 2″ LP | 5000 | A | 3 7/16″ | 4 9/16″ |
| 2 1/16″ 2000 Flg | 2″ LP | 2000 | C | 6 11/16″ | 4 9/16″ |
| 2 1/16″ 5000 Flg | 2″ LP | 3000 | C | 6 7/8″ | 4 9/16″ |
| 2 1/16″ 5000 Flg | 2″ LP | 5000 | C | 6 7/8″ | 4 9/16″ |
| 2 1/16″ 2000 Flg | 2 1/16″ 2000 Flg | 2000 | D | 6 11/16″ | 7 13/16″ |
| 2 1/16″ 5000 Flg | 2 1/16″ 5000 Flg | 3000 | D | 6 7/8″ | 8″ |
| 2 1/16″ 5000 Flg | 2 1/16″ 5000 Flg | 5000 | D | 6 7/8″ | 8″ |
| 2 9/16″ 5000 Flg | 2 9/16″ 5000 Flg | 3000 | D | 6 15/16″ | 8 1/4″ |
| 2 9/16″ 5000 Flg | 2 9/16″ 5000 Flg | 5000 | D | 6 15/16″ | 8 1/4″ |
| 3 1/8″ 3000 Flg | 3 1/8″ 3000 Flg | 3000 | D | 7 13/16″ | 8 15/16″ |
| 3 1/8″ 5000 Flg | 3 1/8″ 5000 Flg | 5000 | D | 9 11/16″ | 9 9/16″ |
| 1 13/16″ 10,000 Flg | 1 13/16″ 10,000 Flg | 10,000 | D | 7 11/16″ | 8 13/16″ |
| 2 1/16″ 10,000 Flg | 2 1/16″ 10,000 Flg | 10,000 | D | 7 11/16″ | 8 13/16″ |
| 2 9/16″ 10,000 Flg | 2 9/16″ 10,000 Flg | 10,000 | D | 8 3/16″ | 9 5/16″ |
| 1 13/16″ 15,000 Flg | 1 13/16″ 15,000 Flg | 15,000 | D | 8 15/32″ | 9 5/8″ |
| 2 1/16″ 15,000 Flg | 2 1/16″ 15,000 Flg | 15,000 | D | 8 7/8″ | 10 5/16″ |
| 2 9/16″ 15,000 Flg | 2 9/16″ 15,000 Flg | 15,000 | D | 10 1/2″ | 11 3/4″ |
| 3 1/16″ 15,000 Flg | 3 1/16″ 15,000 Flg | 15,000 | D | 10 11/32″ | 11 5/8″ |
| 2″ Maximum Orifice | |||||
| 3″ L.P. | 3″ L.P. | 3000 | A | 4 1/2″ | 7″ |
| 3 1/8″ 5000 Flg | 3″ LP | 3000 | C | 8 7/8″ | 7″ |
| 3 1/8″ 5000 Flg | 3″ LP | 3000 | C | 8 7/8″ | 7″ |
| 2 1/16″ 5000 Flg | 2 1/16″ 5000 Flg | 5000 | D | 8 15/16″ | 11 7/16″ |
| 2 9/16″ 5000 Flg | 2 9/16″ 5000 Flg | 5000 | D | 8 7/8″ | 11 3/4″ |
| 3 1/8″ 2000 Flg | 3 1/8″ 2000 Flg | 2000 | D | 8 7/8″ | 11 3/8″ |
| 3 1/8″ 3000 Flg | 3 1/8″ 3000 Flg | 3000 | D | 8 7/8″ | 11 3/8″ |
| 3 1/8″ 5000 Flg | 3 1/8″ 5000 Flg | 5000 | D | 8 7/8″ | 11 3/8″ |
| 4 1/16″ 3000 Flg | 4 1/16″ 3000 Flg | 3000 | D | 10 3/8″ | 11 5/8″ |
| 4 1/16″ 5000 Flg | 4 1/16″ 5000 Flg | 5000 | D | 10 1/8″ | 12 5/8″ |
| 2 1/16″ 10,000 Flg | 2 1/16″ 10,000 Flg | 10,000 | D | 10 3/8″ | 12″ |
| 2 9/16″ 10,000 Flg | 2 9/16″ 10,000 Flg | 10,000 | D | 10 3/8″ | 11 3/4″ |
| 3 1/16″ 10,000 Flg | 3 1/16″ 10,000 Flg | 10,000 | D | 10 3/8″ | 11 3/4″ |
| 4 1/16″ 10,000 Flg | 4 1/16″ 10,000 Flg | 10,000 | D | 9 15/16″ | 11 1/2″ |
| 3″ Maximum Orifice | |||||
| 4″ LP | 4″ LP | 3000 | A | 6 1/4″ | 7 3/4″ |
| 4 1/16″ 3000 Flg | 4″ LP | 3000 | C | 9 1/4″: | 7 3/4″ |
| 3 1/8″ 5000 Flg | 3 1/8″ 5000 Flg | 5000 | D | 14 7/16″ | 15 15/16″ |
| 4 1/16″ 3000 Flg | 4 1/16″ 3000 Flg | 3000 | D | 9 1/4″ | 9 1/4″ |
| 4 1/16″ 5000 Flg | 4 1/16″ 5000 Flg | 5000 | D | 12 1/4″ | 12 1/4″ |
WP H2 1” Maximum Orifice
WP H2 1” Maximum Orifice
| Item No. | Description | Standard Trim | Super Trim |
| 1 | Hex Head Bolt | 6053-58 | 6053-58 |
| 2 | Washer | 7799-13 | 7799-13 |
| 3 | Handwheel | 21225 | 21225 |
| 4 | Set Screw | 10019-05 | 10019-05 |
| 5 | Indicator | 19692 | 19692 |
| 6 | Retainer Ring | 15345-12 | 15345-12 |
| 7 | Bonnet Nut | 40473-02 | 40473-02 |
| 8 | Bonnet | 21224-01 | 21224-01 |
| 9 | Plug | 21226 | 21226 |
| 10 | Thumb Screw | 14144-01 | 14144-01 |
| 11* | Bonnet Gasket | 19331-01 | 19331-01 |
| 12* | Junk Ring | 21817-12 | 21817-12 |
| 13* | J-Packing | 22176-01 | 22176-06 |
| 14* | Retainer Ring | 15345-07 | 15345-07 |
| 15* | Needle | 21223-01 | 663922-01 |
| 16* | Seat | 36905-01-64 | 674220-64 |
| 17 | Gasket | 14181-01 | 660138-01 |
| 18 | Body | – | – |
| 19 | Nameplate | 19742-05 | 19742-05 |
| 20 | Drive Screw | 702525-11 | 702525-11 |
| *Recommended spare parts | |||
‘H2’ Choke Part List
‘H2’ Choke Part List
| Item No. | Description | 1″ Maximum Orifice 2000 through 10,000 psi WP | 2″ Maximum Orifice 2000 through 5000 psi WP | 2″ Maximum Orifice 10,000 psi WP | 3″ Maximum Orifice 2000 through 5000 psi WP | ||||
| Standard Trim | Super Trim | Standard Trim | Super Trim | Standard Trim | Super Trim | Standard Trim | Super Trim | ||
| 1 | Hex Bolt or Nut | 6053-58 | 6053-58 | 12955-10-10 | 12955-10-10 | 12955-10-10 | 12955-10-10 | 12955-10-10 | 12955-10-10 |
| 2 | Washer | 7799-13 | 7799-13 | 7799-14 | 7799-14 | 7799-14 | 7799-14 | 7799-14 | 7799-14 |
| 3 | Handwheel | 14175-03 | 14175-03 | 20735-01 | 20735-01 | 20736-01 | 20736-01 | 19883 | 19883 |
| 4 | Set Screw | 10019-13 | 10019-13 | 10019-14 | 10019-14 | 10019-14 | 10019-14 | 10019-14 | 10019-14 |
| 5 | Indicator | 19692 | 19692 | 20734 | 20734 | 20734 | 20734 | 19881 | 19881 |
| 6 | Bonnet Nut | 14109 | 14109 | 14495 | 14495 | 40473-03 | 40473-03 | 40474-01 | 40474-01 |
| 7 | Bonnet | 19691-01 | 19691-01 | 20732-01 | 20732-01 | 20733-01 | 20733-01 | 19884-01 | 19884-01 |
| 8 | Plug | 19690 | 19690 | 20737 | 20737 | 20737 | 20737 | 20587 | 20587 |
| 9 | Thumb Screw | 10019-06 | 10019-06 | 14144-01 | 14144-01 | 14144-01 | 14144-01 | 14144-01 | 14144-01 |
| 10* | O-Ring | OR-329 | OR-329 | OR-338 | OR-338 | OR-338 | OR-338 | OR-348 | OR-348 |
| 11* | Junk Ring | 21817-12 | 21817-12 | 21817-14 | 21817-14 | 21817-14 | 21817-81 | 21792-23 | 21792-23 |
| 12* | J-Packing | 22176-01 | 22176-06 | 22176-04 | 22176-08 | 22176-04 | 22176-08 | 22176-07 | 22176-13 |
| 13* | Retainer Ring | 15345-07 | 15345-07 | 18572-64 | 18572-64 | 18572-64 | 18572-64 | 33186-10 | 33186-10 |
| 14* | Needle | 19688-01 | 663037-01 | 20731 | 681678-01 | 20731 | 681678-01 | 19882 | 683449-01 |
| 15* | Seat | 38132 | 671635 | 40586 | 678605 | 40586 | 678605 | 19887 | 683450 |
| 16 | Gasket | 14181-01 | 660138-01 | 14181-02 | 660138-02 | 14181-02 | 660138-02 | 14181-03 | 660138-03 |
| 17 | Body | – | – | – | – | – | – | – | – |
| 18 | Nameplate | 19742-03 | 19742-03 | 19742-03 | 19742-03 | 19742-04 | 19742-04 | 19742-03 | 19742-03 |
| 19 | Drive Screw | 702525-09 | 702525-09 | 702525-11 | 702525-11 | 702525-11 | 702525-11 | 702525-09 | 702525-09 |
Cameron* Style Hydraulic Drilling Choke
Cameron* Style Hydraulic Drilling Choke
| Item | Part Description | Qty | 3 1/8″ 5,000 | 3 1/16″ 10,000 | 3 1/16″ 15,000 | 4 1/16″ 10,000 |
| 1 | Hydraulic Actuator | 1 | 40992 | 40992 | 40947 | 40992 |
| 2 | Front Retainer | 1 | 40985 | 40985 | 40988 | 40985 |
| 3 | Gate | 1 | 614415-01 | 614415-01 | 614415-01 | 614415-01 |
| 4 | Rear Retainer | 1 | 40989 | 40989 | 40989 | 40989 |
| 5 | Piston | 1 | 40895 | 40895 | 40855 | 40895 |
| 6 | Cover | 1 | 40117 | 40117 | 40117 | 40117 |
| 7 | Actuator Rod | 1 | 40986 | 40986 | 40851 | 40986 |
| 8 | Actuator Body | 1 | 40987 | 40987 | 40856 | 40987 |
| 9 | O-Ring | 2 | OR-114 | OR-114 | OR-114 | OR-114 |
| 10 | O-Ring | 2 | OR-218 | OR-218 | OR-214 | OR-218 |
| 11 | O-Ring | 1 | OR-241 | OR-241 | OR-241 | OR-241 |
| 12 | O-Ring | 2 | OR-370 | OR-370 | OR-370 | OR-370 |
| 13 | Pipe Bushing | 4 | 6888-15 | 6888-15 | 6888-15 | 6888-15 |
| 14 | Retaining Ring | 1 | 33186-45 | 33186-45 | 33186-45 | 33186-45 |
| 15 | Locknut | 1 | 667172-23 | 667172-23 | 667172-23 | 667172-23 |
| 16 | Cap Screw | 1 | 702502-06-00-06 | 702502-06-00-06 | 702502-06-00-06 | 702502-06-00-06 |
| 17 | Lock Washer | 6 | 702529-11-02 | 702529-11-02 | 702520-11-02 | 702529-11-02 |
| 18 | Screw | 1 | 702511-11-00-08 | 702511-11-00-08 | 702511-11-00-08 | 702511-11-00-08 |
| 19 | Elbow | 1 | 40548-23 | 40548-23 | 40548-23 | 40548-23 |
| 20 | Quick-Connect | 1 | 40548-05 | 40548-05 | 40548-05 | 40548-05 |
| 21 | Elbow | 2 | 2085-8-4S | 2085-8-4S | 2085-8-4S | 6560-12 |
| 22 | Housing | 1 | 615095-01 | 615095-01 | 615095-01 | 615095-01 |
| 23 | Cover | 1 | 614233-01 | 614233-01 | 614233-01 | 614233-01 |
| 24 | Regulator | 1 | 40958 | 40958 | 40958 | 40958 |
| 25 | Spacer Mount | 1 | 40107 | 40107 | 40107 | 40107 |
| 26 | Spacer | 1 | 40108 | 40108 | 40108 | 40108 |
| 27 | Adapter | 1 | 40109 | 40109 | 40109 | 40109 |
| 28 | Tubing | 1 | 97495-18 | 97495-18 | 97495-18 | 97495-18 |
| 29 | Connector | 1 | 40548-22 | 40548-22 | 40548-22 | 40548-22 |
| 30 | Nut | 1 | 702518-02-02 | 702518-02-02 | 702518-02-02 | 702518-02-02 |
| 31 | Retainer Cap | 1 | 40853 | 40853 | 40858 | 40853 |
| 32 | Lock Washer | 2 | 614750-01 | 614750-01 | 614750-01 | 614750-01 |
| 33 | Cap Screw | 1 | 702502-02-00-12 | 702502-02-00-12 | 702502-02-00-12 | 702502-02-00-12 |
| 34 | Back-Up Ring | 1 | BU-241 | BU-241 | BU-241 | BU-241 |
| 35 | O-Ring | 1 | OR-226 | OR-226 | OR-226 | OR-226 |
| 36 | Lower Stabilizer Mount | 1 | 41058-01 | 41058-01 | 41058-01 | 41058-01 |
| 37 | Upper Stabilizer Mount | 1 | 41058-02 | 41058-02 | 41058-02 | 41058-02 |
| 38 | Cap Screw | 1 | 702502-02-00-14 | 702502-02-00-14 | 702502-02-00-14 | 702502-02-00-14 |
| 39 | Cap Screw | 1 | 702502-02-00-16 | 702502-02-00-16 | 702502-02-00-16 | 702502-02-00-16 |
| 40 | Quick Connect | 4 | 40548-16 | 40548-16 | 40548-16 | 40548-16 |
| 41 | Nipple | 4 | 33486-30 | 33486-30 | 33486-30 | 33486-30 |
| 42 | Nipple | 2 | 21012-45 | 21012-45 | 21012-45 | 21012-45 |
| 43 | Elbow | 1 | 675029-16 | 675029-16 | 675029-16 | 675029-16 |
| 44 | Back-UP Ring | 1 | BU-341 | BU-341 | BU-341 | BU-341 |
| 45 | Body | 1 | 40929 | 40929 | 41555 | 40929 |
| 46 | Seat | 1 | 614387-02 | 614387-02 | 614387-02 | 614387-02 |
| 47 | O-Ring | 1 | OR-342 | OR-342 | OR-342 | OR-342 |
| 48 | Wear Sleeve | 1 | 40841 | 40841 | 40841 | 40841 |
| 49 | Back-Up Ring | 1 | BU-342 | BU-342 | BU-342 | BU-342 |
| 50 | UTW Packing | 1 | – | – | 610112-14 | – |
| 51 | Back-Up Ring | 1 | – | – | 610108-08 | – |
Swaco* Style drilling choke parts
Swaco* Style drilling choke parts
| Item | Qty. | Part Number | Description |
| 1 | 1 | 94-36-230 | Spool, Outlet 2-9/16″ 10,000 PSI H2S |
| 2 | 3 | 96-11-111 | Sleeve, Wear 10,000 PSI Choke |
| 3 | 1 | 96-11-216 | Sleeve, Flange Protector Wear |
| 4 | 16 | 14-04-183 | Screw, Ferry HD |
| 5 | 1 | 39-67-151 | O-Ring |
| 6 | 2 | 94-36-200 | Pin, 3/8″ |
| 7 | 1 | 39-67-348 | O-Ring |
| 8 | 1 | 36-67-342 | O-Ring |
| 9 | 1 | 96-11-215 | Back Disc Assembly |
| 10 | 1 | 96-11-214 | Front Disc Assembly |
| 11 | 1 | 94-36-105 | Body, Choke 10,000 PSI H2S |
| 12 | 1 | 94-36-130 | Fork, Turning 10,000 PSI H2S W/Item 28 |
| 13 | 1 | 96-11-428 | Thrust Bearing |
| 14 | 1 | 39-67-915 | O-Ring |
| 15 | 2 | 39-67-916 | Ring Back Up |
| 16 | 2 | 39-67-237 | O-Ring |
| 17 | 1 | 39-67-216 | O-Ring |
| 18 | 2 | 94-36-207 | Pin, 187 D |
| 19 | 1 | 96-11-127 | Shaft Bushing |
| 20 | 1 | 39-66-338 | O-Ring |
| 21 | 1 | 94-36-014 | Calibration Band 1-9/16″ Fully Open |
| 22 | 1 | 14-08-083 | Screw, SOC HD |
| 23 | 12 | 14-04-163 | Screw, Ferry HD |
| 24 | 1 | 94-36-035 | Bonnet W/Item 13 and 19, 10,000 PSI Choke H2S |
| 25 | 1 | 58-67-261 | Pin, Back Disc Super Choke ¼” DIA |
| 26 | 2 | 14-92-033 | Screw, Drive |
| 27 | 1 | 94-36-145 | Handle, 5/8″ X 16″ (Not Shown) |
| 28 | 1 | 58-67-256 | Pin 187 D” |
| 29 | 1 | 94-36-160 | Head, Indicator, 10,000 PSI Choke |
| 30 | 1 | 96-11-419 | O-Ring Kit (Items: 5,7,8,14,15,16,17,20) |
Hydraulic Drilling Choke
Hydraulic Drilling Choke
| Item | Description | ||
| 1 | Hydraulic Actuator | 26 | Spacer |
| 2 | Front Retainer | 27 | Adapter |
| 3 | Gate | 28 | Tubing |
| 4 | Rear Retainer | 29 | Connector |
| 5 | Piston | 30 | Nut |
| 6 | Cover | 31 | Retainer Cap |
| 7 | Actuator Rod | 32 | Lock Washer |
| 8 | Actuator Body | 33 | Screw |
| 9 | O-Ring | 34 | Back-up Ring |
| 10 | O-Ring | 35 | O-Ring |
| 11 | O-Ring | 36 | Lower Stabilizer Mount |
| 12 | O-Ring | 37 | Upper Stabilizer Mount |
| 13 | Pipe Bushing | 38 | Cap Screw |
| 14 | Retaining Ring | 39 | Screw |
| 15 | Locknut | 40 | Quick-Connect |
| 16 | Cap Screw | 41 | Nipple |
| 17 | Lock Washer | 42 | Nipple |
| 18 | Screw | 43 | Elbow |
| 19 | Elbow | 44 | Back-Up Ring |
| 20 | Quick-Connect | 45 | Body |
| 21 | Elbow | 46 | Seat |
| 22 | Housing | 47 | O-Ring |
| 23 | Cover | 48 | Wear Sleeve |
| 24 | Regulator | 49 | Back-up Ring |
| 25 | Spacer Mount |
