Perko 1-1/4" Seacock Ball Valve Bronze MADE IN THE USA 
Series 50 All Purpose Block – Triple
Features:
- Exceptionally high working loads
- Low maintenance, long service life
- Self-lubricating Acetal polymer sheave ensures low friction and extreme durability
- Slotted pin shackle eliminates fouled lines
- Lockable swiveling head post
- Snap fit removable becket pin
All purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and high static loads. For durability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing.Head can be locked at 0° or 90° by engaging the grub screw in either the 0 or 90 degree position.
Applications:
- Mainsheet and halyard applications, vang and spinnaker control lines on boats to 10m (33ft)
- S60 – on boats up to 12m (40ft)
Materials:
- Grade 316 stainless steel load strap
- Impact and UV resistant, fiber reinforced Nylon cheeks
Related products
Sailing > Blocks
Ronstan Series 20 Ball Bearing Block – Single – Cheek Rivet Mount
Series 20 Ball Bearing Block – Single – Cheek Rivet Mount Features:Low frictionHigh static and dynamic load capacityLightweightSuitable for screw or pop rivet mountingPrecision molded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high performance & low friction Applications:Dinghy control linesDinghy VangsCunninghamsTraveller controls Materials:U.V. Stabilized Acetal sheavesStainless steel ball bearingsGrade 316 stainless [...]
Sailing > Blocks
Ronstan Race Sheave – Acetal Solid Bearing – 50mm (1-15/16″) OD
Race Sheave – Acetal Ball Bearing – 50mm(1-15/16″) OD Precision moulded Acetal sheaves running on Acetal or Torlon® ball bearings provide high performance & low friction. Acetal Sheaves:Choice of bearingsSolid bearing – high strength and durability, utilizing the self-lubricating properties of AcetalU.V. resistant Acetal sheaves
Sailing > Blocks
Series 30 Block – Single – Narrow Features: Lightweight durable construction Economical Maintenance free Hollow rivets accept fixing screws, shackles or can be used as a becket for extra purchase Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance Applications: Vang, cunningham and trapeze retriever systems on dinghies Leech [...]
Series 20 Ball Bearing Block – Double – Becket – 2-Axis Shackle Head Features:Low frictionHigh static and dynamic load capacityLightweightPrecision molded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high performance & low frictionTwo-Way head can be fixed at 0° or 90° Applications:Dinghy control linesDinghy vangsCunninghamsTraveller controls Materials:Stainless steel ball bearingsUV Stabilized [...]
Sailing > Blocks
Series 25 T-Track – Composite Slide – Series 40 BB Orbit Block&# 153; – Stand Up – Suits 9mm(5/16″) Rope For small keel boats and sportsboats T-track jib leads are a great blend of performance and functionality in a simple, efficient package. Composite slide bodies with plunger stops run on anodised aluminium track, and allow [...]
Sailing > Blocks
Ronstan Series 20 Ball Bearing Block – Single – Loop Top Becket
Series 20 Ball Bearing Block – Single – Loop Top Becket Features:Low frictionHigh static and dynamic load capacityLightweightPrecision molded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high performance & low frictionCan be fitted with a shackle in either of two planes to allow correct alignment of the block Applications:Dinghy control linesDinghy [...]
Sailing > Blocks
Ronstan Wire Block w/Removable Clevis Pin Head – Nylatron® Sheave – 25mm (1″) Sheave Diameter
Wire Block w/Removable Clevis Pin Head – Nylatron® Sheave – 25mm(1″) Sheave Diameter Wire blocks have purpose designed narrow sheaves and grooves. Features:Removable clevis pin head Applications:Wire blocks suit halyards, vang and backstay applications Materials:Grade 316 stainless steel cheeksNylatron® sheave Specifications:Sheave Ø: 25mm(1″)Max. Cable Ø: 3mm(1/8″)M.W.L:450kg(990lbs)B.L.: 900kg(1,980lbs)Weight: 40kg(1.4oz)
Sailing > Blocks
Ronstan Wire Block – Tubular Rivet Head w/Removable Nylatron® Sheave – 45mm (1-3/4″) Sheave Diameter
Wire Block – Tubular Rivet Head w/Removable Nylatron® Sheave – 45mm(1-3/4″) Sheave Diameter Wire blocks have purpose designed narrow sheaves and grooves.Removal sheave for easy fitting and without cutting the wire termination Features:Flared cheeks to minimise chafingRemovable sheaves Applications:Wire blocks suit halyards, vang and backstay applications Materials:Grade 316 stainless steel cheeksNylatron® sheave Specifications:Sheave Ø: 45mm(1-3/4″)Max. [...]