NO. 1 General
B/C/CHD pneumatic tubing spiders is a tool which stick to casing, tubing, and drill pipe in the oil field for boring and repairing oil well. It is made and designed by the request of API Spec 7K criterion. Its structure is not only easy and durable, but also multifunctional. So it is an ideal spider for oil field work.
NO. 2 The features of pneumatic Tubing spiders is as follows:
1. As shown in the picture is CHD type pneumatic spiders, it is designed for medium and heavy-duty operation, our pneumatic spider is one of the most versatile power slips available.
2. It adopts high quality alloy steel and choose perfect heat-treated workmanship, which increase rigidity and durability immensely.
3. Spiders are equipped with manually operated safety latch. The operated safety latch will be closed when slider fall to clamp pipe diameter and the spider cylinder is locked, so it is effective to guarantee the safety of the clamps. After opening the safety latch, spider cylinder can work normally.
NO. 3 Specifications and Technical Parameters
1. Drive Mode: Air pressure: Air pressure
2. Air source working pressure: 0.6-0.9Mpa(87-130psi)

3. Specifications as follows:
SPE
PAR.
MODEL"B": MODEL"C": MODEL"CHD"
HEIGHT: 15.5"(393.7mm): 15.5"(419.1mm): 17.75"(451mm)
base DIMENSION: 14"× 17"
(355.6× 431.8mm): 16.5"× 18.5"
(419.1× 469.9mm): 18.75"× 17.5"
(476× 445mm)
GATE OPENING: 4.25"(107.95mm): 5.75"(146.05mm): 5.8125"(148.1mm)
BOWL OPENING: 4.75"DIAMETER
6.5"DIAMETER
8.5625"DIAMETER
TUBULAR RANGE: 1.315"TO 3.5": 1.315"TO 5.5": 1.315"TO 5.5"
MAXIMUM LOAD CAPACITY: 110, 000 lbs
55 Tons: 165, 000 lbs
82.5 Tons: 250, 000 lbs
125 Tons.