☎: (206) 764-4650
Smith Berger Marine, Inc.
Mooring and Towing Solutions / Salmon Processing Equipment Since 1903
Products
PURSE SEINE POWERBLOCKS
How to Choose a Powerblock for your Vessel
Figure 2 - Determining the girth of your net.
- What is the girth of your net? See Figure 2. You need a powerblock that will hold the compact net circumference deep enough in its throat to maintain traction.
- How big is your net? (Length, Depth, Materials)
- What fishery are you involved in? (Salmon, Squid, Herring, Sardine, etc.)
| Block / Sheave | Capacity of net (Circumference) |
| B19 | 25" |
| B26 | 30" |
| B28 with Split Sheave | 35" |
| B29 with Spit Sheave | 37" |
| B33 | 35" |
| B32 Split with no spacer | 38" |
| B31E Split with a 3/4" Spacer | 40.6" |
| B32 Split with a 2" Spacer | 43.7" |
| B36 45 Degree | 40.1" |
| B35 Split | 48" |
For ordering assistance or parts and service please contact us at (206) 764-4650 or email sales@smithberger.com.
Figure 1 - How the net should fit in the powerblock.