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Mathey Dearman D251 Double Chain Clamp

Mathey Dearman D251 Double Chain Clamp
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$5,880.34 $4,586.67

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Estimated Lead Time: 2 weeks

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Product Information
Specification

The Mathey Dearman D251 series of Double Chain Clamps are heavy-duty vessel clamps designed for alignment and reforming of pipes and vessels up to 20’ (6 m) in diameter with Schedule 80 wall thickness. Mathey Dearman Double Chain Clamps also align Schedule 80 pipe and heavier when no reforming is required. The extra heavy-duty Jackbars and Main Block provide the brute strength necessary to accomplish even the toughest reforming jobs. Models 10” to 36” through 10” to 54” come with a Level and Support Device. All other models come with a cable hoist. The Double Chain Clamp is available in steel and stainless steel versions and is shipped in a wooden crate.

Features

  • PRECISE | Numerous Jackbars provide clamping pressure exactly where needed for perfect alignment
  • TOUGH | Reforms and aligns pipe with Schedule 80 wall thickness
  • ADAPTABLE | Fits extremely large range of pipe diameters
  • CONFORMING | Jackbar pads pivot independently to handle uneven pipe and fitting surfaces
  • Joints on large pipe or tube shells up to 20’ (6096 mm) in diameter can be aligned, reformed and welded without removing the clamp, saving time and improving weld quality.

Double Chain Clamp Includes

  • (2) Nickel plated or stainless steel high-strength leaf chains
  • Extra heavy-duty stainless steel Jackbars-quantity as listed in specifications
  • Double chain Main block with (2) Fine Adjustments
  • Level and Support Device (D251-1060 model and larger supplied with cable hoist)
  • Jackscrew Wrench
  • Parts and Operating Manual

Specifications

Model* Main Blocks Jackbars Pipe Size Range
D251-1036 1 9 10" - 36" (254 - 914 mm)
D251-1048 1 12 10" - 48" (254 - 1219 mm)
D251-1054 1 14 10" - 54" (254 - 1372 mm)
D251-1060 1 16 10" - 60" (254 - 1524 mm)
D251-1072 1 20 10" - 72" (254 - 1829 mm)
D251-1084 1 24 10" - 84" ( 254 - 2134 mm)
D251-1096 2 28 10" - 96" ( 254 - 2438 mm)
D251-10108 2 32 10" - 108" ( 254 - 2743 mm)
D251-10120 2 36 10" - 120" ( 254 - 3048 mm)
D251-1011F 2 39 10" - 132" ( 254 - 3353 mm)
D251-1012F 2 42 10" - 144" ( 254 - 3658 mm)
D251-1014F 2 48 10" - 168" ( 254 - 4267 mm)
D251-1016F 3 54 10" - 192" ( 254 - 4877 mm)
D251-1018F 3 60 10" - 216" ( 254 - 5486 mm)
D251-1020F 3 66 10" - 240" ( 254 - 6096 mm)

* Add SS to the model number for stainless steel chain. All models equipped with stainless steel jackbars, jackscrews, and main blocks.

WARNING: DOUBLE CHAIN CLAMPS SHOULD NEVER BE USED AS THE SOLE SUPPORT FOR THE PIPE OR TO LIFT THE PIPE. DO NOT EXCEED PIPE SIZE RANGE LISTED OR USE ANY TYPE OF CHAIN OTHER THAN SUPPLIED WITHOUT FIRST CONTACTING THE MATHEY DEARMAN SALES DEPARTMENT. USE OF CHAIN NOT SUPPLIED WITH THE CLAMP BY MATHEY DEARMAN WILL VOID THE CLAMP WARRANTY.

NOTE: ALL DOUBLE CHAIN CLAMPS WITH 16 OR MORE JACKBARS INCLUDE CABLE HOIST. SMALLER CLAMPS INCLUDE LEVEL AND SUPPORT DEVICE.

Product Code D251
Manufacturer Mathey Dearman
Stock Level
Condition New
Shipping Weight 220lb
Shipping Dimensions 27.000 x 19.000 x 17.000 in

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