A "self-propelled" Pneumatic travels through the pipe to the next joint under its own power. The adequate line-up at the next joint is assured by a reserve air tank. Pneumatic clamp requires compressed air at 100-145 psi (7-10 bars). The maximum safe working pressure is 175 psi (12 bars). A Non-Self type travelled clamp for pipe sizes 6” To 20”.
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