Screw Barrel for Rubber Machine

  • Trademark: JH
  • Origin: Zhejiang of China
  • Specification: International Standard
  • HS Code: 84779000
Technical Parameter:
1. Material is 38CrMoAlA, tempering hardness: 260-290HBS, Metallurgical structure: More than 95% sorbite, crystal particle degree: 6-8 grade, Nitridation layer depth: 0.4-0.7, Nitridation rigidity on surface: 940-1050HV, brittleness less than 2 grade; Linear degree meet national rubber&plastic machinery industry standard; Roughness degree: The surface which is touched with material shall be processed with fine honing, and the fine polishing can reach Ra value of 0.4-0.2; The screw spray welding's nickel-base alloy+WC, thickness: 2.6-3mm; Hardness: HRC62± 2, without crack and flaw; Make bottom part nitridation treatment;
2. Material is 3Cr2W8V, H13(injection chamber), the whole body quenching hardness: HRC60± 2, nitridation hardness: 1050HV, inner hold for fine grinding Ra value 0.4
3. Material: Cr12molvl, the whole body quenching hardness: HRC60± 2, inner hole for fine grinding Ra value 0.4;
4. Diffluencece combing, backflow parts material: Imported SKD61 quenching hardness: Above HRC55 or double alloy structure;
5. Can proceed to plate hard chrome after nitriding screw surface; The thickness for chromeplate is 0.03-0.04mm;
6. The passagewaypart for all kinds of mould, the thickness for plating hard chrome is 0.05-0.08, Polishing fine-coarse degree reach Ra value 0.4-0.2;

Reverse Osmosis Water Filter Systems including Wall mount laundry reverse osmosis, Undersink reverse osmosis, Countertop reverse osmosis, commerical reverse 

osmosis, all with lower waste ratios.
Countertop reverse osmosis systems. These are convenient for the person that wants a system in the kitchen, is low in cost and attaches to the aerator thread 

of their kitchen spout or tap. Suitable for persons that rent as it will leave no marks after you leave. The countertop system will produce water at around 

350ml per minute.


We supply different kinds of Reverse Osmosis Parts,such as Reverse Osmosis Valve,Reverse Osmosis Fitting.

Reverse Osmosis Parts

India Market Hot Sale Reverse Osmosis Parts, Reverse Osmosis Valve,Reverse Osmosis Fitting

NINGBO BRANDO HARDWARE CO.,LTD , https://www.brandopneumatic.com