2SN is a 2-wire braided hose with a "normal" bend radius.
2SC is a 2-wire braided hose that's considered "compact" bend radius (e.g. half the bend radius of 2SN).
4SP is a 4-wire spiral hose
4SH is a 4-wire spiral hose that's higher pressure
References:
From ISO 1436 (section 4):
Type 1ST: hoses with a single braid of wire reinforcement and having a thick cover.
Type 2ST: hoses with two braids of wire reinforcement and having a thick cover.
Types 1SN and R1ATS: hoses with a single braid of wire reinforcement and having a thin cover.
Types 2SN and R2ATS: hoses with two braids of wire reinforcement and having a thin cover.
From ISO 11327 (section 4):
Type 1SC: hoses with a single braid of wire reinforcement.
Type 2SC: hoses with two braids of wire reinforcement.
From ISO 3862 (section 4):
Type 4SP: medium-pressure hoses with four plies of steel wire spiral.
Type 4SH: high-pressure hoses with four plies of steel wire spiral.
Contact: Sunhose
Phone: +8618056044070
Tel: +8618056044070
Email: info@sino-hose.com
Add: New & Hi-Tech.Industrial Development Zone,Shandong, China