Cole Palmer MasterFlex L/S 7557-04 w/ 7557-02 Easy-Load II Peristaltic Pump & 77200-50 head
Web Information Pump Head Automatic retention holds tubing securely in place with no manual adjustment—just load the tubing and start the pump Four-roller rotor improves pressure performance and mechanical stability while reducing pulsation Improved occlusion bed geometry lengthens tubing life Polyphenylene sulfide (PPS) housing with either stainless steel (SS) or cold-rolled steel (CRS) rotor—choose CRS for economy or SS for greater durability and chemical resistance Each pump head for precision pump tubing accepts tubing sizes L/S® 13, L/S® 14, L/S® 16, L/S® 25, L/S® 17, and L/S® 18. Achieve flow rates of 0.06 to 2300 mL/min (1 to 600 rpm) Specifications Product Type Pump Head mL/rev Depends on tubing selected. Accepted tubing L/S® 13, L/S 14, L/S 16, L/S 25, L/S 17, L/S 18 Rotor material Cold-rolled steel Housing material Polyphenylene sulfide Rollers Four; cold-rolled steel Occlusion Fixed Automatic tubing retention Yes Qty/ea 1 Brand Masterflex Dimensions 5"W x 4-3/4"H x 2-3/4"D(12.7 x 12.1 x 7.0 cm) Pump Motor Specifications Product Type Motor Power (Amps) 2.2 Motor (hp) 1/10 Motor (watts) 75 rpm 6 to 600 IP rating (Motor) IP33 Dimensions (Motor) 10.75"L x 3.75"W x 4.5"H(27.7 x 9.7 x 11.7 cm) Qty/ea 1 No. of Pump heads accepted 2 Brand Masterflex Controller Specifications Product Type Controller Power (Amps) 2.2 rpm 6 to 600 IP rating (Controller) IP33 Dimensions (Controller) 10.4"L x 8.4"W x 5.5"H(26.3 x 21.1 x 14 cm) Speed control ±0.25% Qty/ea 1 Brand Masterflex Condition Seller refurbished. Excellent functional and cosmetic condition. Video of this unit in operation: Includes (1) Cole Palmer MasterFlex L/S 7557-04 w/ 7557-02 Easy-Load II Pump & 77200-50 head Warranty 30 Day warranty. We pledge to offer the best service and warranty to all of our customers! We are extending a 30 Day warranty on this item. This is our way of saying thank you for allowing us to serve you. Certification This is a genuine product from this manufacturer.