Is the Stainless Steel GR Straight Reduction Fitting compatible with both L (light) and S (heavy) series systems and standard 24° DIN 2353 connections?

Yes. The Stainless Steel GR Straight Reduction Fitting is compatible with both L (light) and S (heavy) series systems and uses the standard 24° DIN 2353 connection. It features a 24° DIN 2353 socket with external metric threads on both sides and is available in both L and S series, ensuring secure, standardized, and leak‑free integration across compact and heavy‑duty installations.

Can the Stainless Steel GR Straight Reduction Fitting withstand corrosive outdoor environments without additional protective coatings?

Yes. The Stainless Steel GR Straight Reduction Fitting, manufactured from premium AISI 316 stainless steel, offers exceptional corrosion resistance and is explicitly described as ideal for aggressive or outdoor conditions. AISI 316 contains molybdenum, which significantly improves resistance to chloride corrosion and many chemical environments compared with common stainless steels, making it suitable for marine, coastal, and industrial outdoor applications without requiring additional protective coatings in most cases. Caveats: In extremely aggressive environments (e.g., continuous immersion in highly acidic or alkaline solutions, concentrated chlorides, or where galvanic corrosion risks exist due to contact with dissimilar metals), supplementary protection or system design considerations (isolation, drainage, coatings, cathodic protection) may still be advisable. For critical or long-term installations, validate performance with application-specific testing or consult corrosion specialists.

Stainless Steel GR Straight Reduction Fitting

Additional information

Material	SS – stainless steel

The DIN 2353 straight reducing fitting, type GR, is a high‑precision connector designed for reliable performance in demanding hydraulic and pneumatic systems. Featuring a 24° DIN 2353 socket with external metric threads on both sides, it ensures secure and leak‑free connections even under high pressure. Available in both L (light series) and S (heavy series), it offers flexibility to match diverse application requirements, from compact installations to heavy‑duty industrial environments. Manufactured from premium AISI 316 stainless steel, the fitting provides exceptional resistance to corrosion, making it ideal for use in aggressive or outdoor conditions. Its robust construction guarantees long service life, while the standardized design allows easy integration with existing systems. This reducing fitting is the perfect choice for engineers and technicians seeking durability, efficiency, and compatibility in fluid transfer solutions.

List of product variants

Article number	Product variant name	Nominal inner diameter	Working pressure [bar]
HD-GR-08-06L-SS	Connector red. DIN 2353 GR 8/6 L, AISI 316	-	500
HD-GR-08-06S-SS	Connector red. DIN 2353 GR 8/6 S, AISI 316	-	800
HD-GR-10-06L-SS	Connector red. DIN 2353 GR 10/6 L, AISI 316	-	500
HD-GR-10-06S-SS	Connector red. DIN 2353 GR 10/6 S, AISI 316	-	800
HD-GR-10-08L-SS	Connector red. DIN 2353 GR 10/8 L, AISI 316	-	500
HD-GR-10-08S-SS	Connector red. DIN 2353 GR 10/8 S, AISI 316	-	800
HD-GR-12-06L-SS	Connector red. DIN 2353 GR 12/6 L, AISI 316	-	400
HD-GR-12-06S-SS	Red. connector DIN 2353 GR 12/6 S, AISI 316	-	630
HD-GR-12-08L-SS	Connector red. DIN 2353 GR 12/8 L, AISI 316	-	400
HD-GR-12-08S-SS	Connector red. DIN 2353 GR 12/8 S, AISI 316	-	630
HD-GR-12-10L-SS	Connector red. DIN 2353 GR 12/10 L, AISI 316	-	400
HD-GR-12-10S-SS	Connector red. DIN 2353 GR 12/10 S, AISI 316	-	630
HD-GR-14-10S-SS	Connector red. DIN 2353 GR 14/10 S, AISI 316	-	630
HD-GR-14-12S-SS	Connector red. DIN 2353 GR 14/12 S, AISI 316	-	630
HD-GR-15-10L-SS	Connector red. DIN 2353 GR 15/10 L, AISI 316	-	400
HD-GR-15-12L-SS	Connector red. DIN 2353 GR 15/12 L, AISI 316	-	400
HD-GR-16-12S-SS	Connector red. DIN 2353 GR 16/12 S, AISI 316	-	630
HD-GR-16-14S-SS	Connector red. DIN 2353 GR 16/14 S, AISI 316	-	630
HD-GR-18-08L-SS	Connector red. DIN 2353 GR 18/8 L, AISI 316	-	400
HD-GR-18-10L-SS	Connector red. DIN 2353 GR 18/10 L, AISI 316	-	400
HD-GR-18-12L-SS	Connector red. DIN 2353 GR 18/12 L, AISI 316	-	400
HD-GR-18-15L-SS	Connector red. DIN 2353 GR 18/15 L, AISI 316	-	400
HD-GR-20-10S-SS	Connector red. DIN 2353 GR 20/10 S, AISI 316	-	420
HD-GR-20-12S-SS	Connector red. DIN 2353 GR 20/12 S, AISI 316	-	420
HD-GR-20-16S-SS	Connector red. DIN 2353 GR 20/16 S, AISI 316	-	420
HD-GR-22-12L-SS	Connector red. DIN 2353 GR 22/12 L, AISI 316	-	250
HD-GR-22-15L-SS	Connector red. DIN 2353 GR 22/15 L, AISI 316	-	250
HD-GR-22-18L-SS	Connector red. DIN 2353 GR 22/18 L, AISI 316	-	250
HD-GR-25-16S-SS	Connector red. DIN 2353 GR 25/16 S, AISI 316	-	420
HD-GR-25-20S-SS	Connector red. DIN 2353 GR 25/20 S, AISI 316	-	420
HD-GR-28-18L-SS	Connector red. DIN 2353 GR 28/18 L, AISI 316	-	250
HD-GR-28-22L-SS	Connector red. DIN 2353 GR 28/22 L, AISI 316	-	250
HD-GR-30-20S-SS	Connector red. DIN 2353 GR 30/20 S, AISI 316	-	420
HD-GR-30-25S-SS	Connector red. DIN 2353 GR 30/25 S, AISI 316	-	420
HD-GR-35-22L-SS	Connector red. DIN 2353 GR 35/22 L, AISI 316	-	250
HD-GR-35-28L-SS	Connector red. DIN 2353 GR 35/28 L, AISI 316	-	250
HD-GR-38-30S-SS	Connector red. DIN 2353 GR 38/30 S, AISI 316	-	420

The DIN 2353 straight reducing fitting, type GR, is a high‑precision connector designed for reliable performance in demanding hydraulic and pneumatic systems. Featuring a 24° DIN 2353 socket with external metric threads on both sides, it ensures secure and leak‑free connections even under high pressure. Available in both L (light series) and S (heavy series), it offers flexibility to match diverse application requirements, from compact installations to heavy‑duty industrial environments. Manufactured from premium AISI 316 stainless steel, the fitting provides exceptional resistance to corrosion, making it ideal for use in aggressive or outdoor conditions. Its robust construction guarantees long service life, while the standardized design allows easy integration with existing systems. This reducing fitting is the perfect choice for engineers and technicians seeking durability, efficiency, and compatibility in fluid transfer solutions.