Heavy Duty Alfa
HDA16/HDA18/HDA24
Heavy Duty friction stay for enhanced performance with timber, Upvc and large selection of aluminum profiles. Carries commercial vents up to 1200mm Wide, or 1800mm High and 140kg in weight. Stays available in 2.5mm Austenitic Steel or 3.0mm to special order. Easy to fit with adjustable friction mechanism. Smooth and balanced operation for life—windows open and close with ease. Effective weather sealing and draught proofing fully concealed once fitted. The HDA16 & 18 Side Hung stays conform to BS8213, Minimum 95mm gap, for window cleaning (profile dependent). Manufactured from high grade Austenitic Stainless Steel for maximum longevity. Even in the most corrosive environments. Austenitic Stainless Steel cap for added strength. Additional linkage for greater strength and rigidity. Composite steel/plastic slider for strength, durability and smooth operation. Conforms to all leading international window performance standards in the UK (BS6375 Part 2 1987), North America (AAMA 904.1), France (NFP-20-302) and Singapore (SS 212 1998). On any windows over 32Kg we recommend that you fit either out Heavy Duty Friction Arms (HD120, TEL or TELKsupport arms.
Get a quoteSpecifications
| RECOMMENDED MAXIMUM WINDOW WEIGHTS & SIZES | |||||||
|---|---|---|---|---|---|---|---|
| PRODUCT | APPLICATION | SIZE INS | SIZE MM | WINDOW SIZE APPROX WIDTH MM |
WINDOW SIZE APPROX HEIGHT MM |
WINDOW WEIGHT APPROX KG |
OPENING ANGLE |
| HDA-16-2.5mm | SIDE HUNG | 16.9 | 400 | 750 | 42 | 88° | |
| HDA-16-3.0mm | SIDE HUNG | 16.9 | 400 | 750 | 45 | 88° | |
| HDA-18-2.5mm | SIDE HUNG | 18.3 | 466 | 800 | 40 | 88° | |
| HDA-18-3.0mm | SIDE HUNG | 18.3 | 466 | 1000 800 |
60 43 |
15° 88° |
|
| HDA-24T90-3.0mm | SIDE HUNG | 24 | 610 | 1200 | 40 | 20° | |
| HDA-16-2.5mm | TOP HUNG | 16.9 | 400 | 1100 | 90 | 27.5° | |
| HDA-16-3.0mm | TOP HUNG | 16.9 | 400 | 1400 | 90 | 27.5° | |
| HDA-18-2.5mm | TOP HUNG | 18.3 | 466 | 1200 | 87 | 27.5° | |
| HDA-18-3.0mm | TOP HUNG | 18.3 | 466 | 1400 | 105 | 27.5° | |
| HDA-24T90-2.5mm | TOP HUNG | 24 | 610 | 1800 | 115 | 20° | |
| HDA-24T90-3.0mm | TOP HUNG | 24 | 610 | 1800 | 140 | 20° | |
World Leader in Friction Stays
Cotswold produced the first friction stay in Europe. Today, we have the most diverse range to suit any application and are world leaders in our field.
Manufacturing since 1976
Quality brand you can trust. Experience and expertise in the hardware industry is key. Manufacturing for over 45 years, gives all our customers full confidence when fitting our products
Global Footprint
With factories in the UK and South East Asia, combined with global distribution partners, we have a supply chain in place to meet any customer needs around the world
People
Trust, credibility and customer focused. All our employees are driven to delivering the best customer experience for all our customer